20774460840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2137}}^1$

素因数の和:2392

約数の個数: 256

約数和(自身を含む): 72707051520

約数和(自身を除く): 51932590680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 163, 168, 210, 213, 280, 284, 326, 355, 420, 426, 489, 497, 568, 652, 710, 815, 840, 852, 978, 994, 1065, 1141, 1304, 1420, 1491, 1630, 1704, 1956, 1988, 2130, 2137, 2282, 2445, 2485, 2840, 2982, 3260, 3423, 3912, 3976, 4260, 4274, 4564, 4890, 4970, 5705, 5964, 6411, 6520, 6846, 7455, 8520, 8548, 9128, 9780, 9940, 10685, 11410, 11573, 11928, 12822, 13692, 14910, 14959, 17096, 17115, 19560, 19880, 21370, 22820, 23146, 25644, 27384, 29820, 29918, 32055, 34230, 34719, 42740, 44877, 45640, 46292, 51288, 57865, 59640, 59836, 64110, 68460, 69438, 74795, 81011, 85480, 89754, 92584, 115730, 119672, 128220, 136920, 138876, 149590, 151727, 162022, 173595, 179508, 224385, 231460, 243033, 256440, 277752, 299180, 303454, 324044, 347190, 348331, 359016, 405055, 448770, 455181, 462920, 486066, 598360, 606908, 648088, 694380, 696662, 758635, 810110, 897540, 910362, 972132, 1044993, 1062089, 1213816, 1215165, 1388760, 1393324, 1517270, 1620220, 1741655, 1795080, 1820724, 1944264, 2089986, 2124178, 2275905, 2430330, 2438317, 2786648, 3034540, 3186267, 3240440, 3483310, 3641448, 4179972, 4248356, 4551810, 4860660, 4876634, 5224965, 5310445, 6069080, 6372534, 6966620, 7314951, 8359944, 8496712, 9103620, 9721320, 9753268, 10449930, 10620890, 12191585, 12745068, 13933240, 14629902, 15931335, 18207240, 19506536, 20899860, 21241780, 24383170, 24731501, 25490136, 29259804, 31862670, 36574755, 41799720, 42483560, 48766340, 49463002, 58519608, 63725340, 73149510, 74194503, 97532680, 98926004, 123657505, 127450680, 146299020, 148389006, 173120507, 197852008, 247315010, 292598040, 296778012, 346241014, 370972515, 494630020, 519361521, 593556024, 692482028, 741945030, 865602535, 989260040, 1038723042, 1384964056, 1483890060, 1731205070, 2077446084, 2596807605, 2967780120, 3462410140, 4154892168, 5193615210, 6924820280, 10387230420, 20774460840]

約数ペア:

[(1, 20774460840), (2, 10387230420), (3, 6924820280), (4, 5193615210), (5, 4154892168), (6, 3462410140), (7, 2967780120), (8, 2596807605), (10, 2077446084), (12, 1731205070), (14, 1483890060), (15, 1384964056), (20, 1038723042), (21, 989260040), (24, 865602535), (28, 741945030), (30, 692482028), (35, 593556024), (40, 519361521), (42, 494630020), (56, 370972515), (60, 346241014), (70, 296778012), (71, 292598040), (84, 247315010), (105, 197852008), (120, 173120507), (140, 148389006), (142, 146299020), (163, 127450680), (168, 123657505), (210, 98926004), (213, 97532680), (280, 74194503), (284, 73149510), (326, 63725340), (355, 58519608), (420, 49463002), (426, 48766340), (489, 42483560), (497, 41799720), (568, 36574755), (652, 31862670), (710, 29259804), (815, 25490136), (840, 24731501), (852, 24383170), (978, 21241780), (994, 20899860), (1065, 19506536), (1141, 18207240), (1304, 15931335), (1420, 14629902), (1491, 13933240), (1630, 12745068), (1704, 12191585), (1956, 10620890), (1988, 10449930), (2130, 9753268), (2137, 9721320), (2282, 9103620), (2445, 8496712), (2485, 8359944), (2840, 7314951), (2982, 6966620), (3260, 6372534), (3423, 6069080), (3912, 5310445), (3976, 5224965), (4260, 4876634), (4274, 4860660), (4564, 4551810), (4890, 4248356), (4970, 4179972), (5705, 3641448), (5964, 3483310), (6411, 3240440), (6520, 3186267), (6846, 3034540), (7455, 2786648), (8520, 2438317), (8548, 2430330), (9128, 2275905), (9780, 2124178), (9940, 2089986), (10685, 1944264), (11410, 1820724), (11573, 1795080), (11928, 1741655), (12822, 1620220), (13692, 1517270), (14910, 1393324), (14959, 1388760), (17096, 1215165), (17115, 1213816), (19560, 1062089), (19880, 1044993), (21370, 972132), (22820, 910362), (23146, 897540), (25644, 810110), (27384, 758635), (29820, 696662), (29918, 694380), (32055, 648088), (34230, 606908), (34719, 598360), (42740, 486066), (44877, 462920), (45640, 455181), (46292, 448770), (51288, 405055), (57865, 359016), (59640, 348331), (59836, 347190), (64110, 324044), (68460, 303454), (69438, 299180), (74795, 277752), (81011, 256440), (85480, 243033), (89754, 231460), (92584, 224385), (115730, 179508), (119672, 173595), (128220, 162022), (136920, 151727), (138876, 149590)]