20194020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 80510976

約数和(自身を除く): 60316956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 31, 33, 35, 36, 42, 44, 45, 47, 55, 60, 62, 63, 66, 70, 77, 84, 90, 93, 94, 99, 105, 110, 124, 126, 132, 140, 141, 154, 155, 165, 180, 186, 188, 198, 210, 217, 220, 231, 235, 252, 279, 282, 308, 310, 315, 329, 330, 341, 372, 385, 396, 420, 423, 434, 462, 465, 470, 495, 517, 558, 564, 620, 630, 651, 658, 660, 682, 693, 705, 770, 846, 868, 924, 930, 940, 987, 990, 1023, 1034, 1085, 1116, 1155, 1260, 1302, 1316, 1364, 1386, 1395, 1410, 1457, 1540, 1551, 1645, 1692, 1705, 1860, 1953, 1974, 1980, 2046, 2068, 2115, 2170, 2310, 2387, 2585, 2604, 2772, 2790, 2820, 2914, 2961, 3069, 3102, 3255, 3290, 3410, 3465, 3619, 3906, 3948, 4092, 4230, 4340, 4371, 4620, 4653, 4774, 4935, 5115, 5170, 5580, 5828, 5922, 6138, 6204, 6510, 6580, 6820, 6930, 7161, 7238, 7285, 7755, 7812, 8460, 8742, 9306, 9548, 9765, 9870, 10199, 10230, 10340, 10857, 11844, 11935, 12276, 13020, 13113, 13860, 14322, 14476, 14570, 14805, 15345, 15510, 16027, 17484, 18095, 18612, 19530, 19740, 20398, 20460, 21483, 21714, 21855, 23265, 23870, 26226, 28644, 29140, 29610, 30597, 30690, 31020, 32054, 32571, 35805, 36190, 39060, 40796, 42966, 43428, 43710, 46530, 47740, 48081, 50995, 52452, 54285, 59220, 61194, 61380, 64108, 65142, 65565, 71610, 72380, 80135, 85932, 87420, 91791, 93060, 96162, 101990, 107415, 108570, 112189, 122388, 130284, 131130, 143220, 144243, 152985, 160270, 162855, 183582, 192324, 203980, 214830, 217140, 224378, 240405, 262260, 288486, 305970, 320540, 325710, 336567, 367164, 429660, 448756, 458955, 480810, 560945, 576972, 611940, 651420, 673134, 721215, 917910, 961620, 1009701, 1121890, 1346268, 1442430, 1682835, 1835820, 2019402, 2243780, 2884860, 3365670, 4038804, 5048505, 6731340, 10097010, 20194020]

約数ペア:

[(1, 20194020), (2, 10097010), (3, 6731340), (4, 5048505), (5, 4038804), (6, 3365670), (7, 2884860), (9, 2243780), (10, 2019402), (11, 1835820), (12, 1682835), (14, 1442430), (15, 1346268), (18, 1121890), (20, 1009701), (21, 961620), (22, 917910), (28, 721215), (30, 673134), (31, 651420), (33, 611940), (35, 576972), (36, 560945), (42, 480810), (44, 458955), (45, 448756), (47, 429660), (55, 367164), (60, 336567), (62, 325710), (63, 320540), (66, 305970), (70, 288486), (77, 262260), (84, 240405), (90, 224378), (93, 217140), (94, 214830), (99, 203980), (105, 192324), (110, 183582), (124, 162855), (126, 160270), (132, 152985), (140, 144243), (141, 143220), (154, 131130), (155, 130284), (165, 122388), (180, 112189), (186, 108570), (188, 107415), (198, 101990), (210, 96162), (217, 93060), (220, 91791), (231, 87420), (235, 85932), (252, 80135), (279, 72380), (282, 71610), (308, 65565), (310, 65142), (315, 64108), (329, 61380), (330, 61194), (341, 59220), (372, 54285), (385, 52452), (396, 50995), (420, 48081), (423, 47740), (434, 46530), (462, 43710), (465, 43428), (470, 42966), (495, 40796), (517, 39060), (558, 36190), (564, 35805), (620, 32571), (630, 32054), (651, 31020), (658, 30690), (660, 30597), (682, 29610), (693, 29140), (705, 28644), (770, 26226), (846, 23870), (868, 23265), (924, 21855), (930, 21714), (940, 21483), (987, 20460), (990, 20398), (1023, 19740), (1034, 19530), (1085, 18612), (1116, 18095), (1155, 17484), (1260, 16027), (1302, 15510), (1316, 15345), (1364, 14805), (1386, 14570), (1395, 14476), (1410, 14322), (1457, 13860), (1540, 13113), (1551, 13020), (1645, 12276), (1692, 11935), (1705, 11844), (1860, 10857), (1953, 10340), (1974, 10230), (1980, 10199), (2046, 9870), (2068, 9765), (2115, 9548), (2170, 9306), (2310, 8742), (2387, 8460), (2585, 7812), (2604, 7755), (2772, 7285), (2790, 7238), (2820, 7161), (2914, 6930), (2961, 6820), (3069, 6580), (3102, 6510), (3255, 6204), (3290, 6138), (3410, 5922), (3465, 5828), (3619, 5580), (3906, 5170), (3948, 5115), (4092, 4935), (4230, 4774), (4340, 4653), (4371, 4620)]