20317685.000000000

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4789}}^1$

素因数の和:4826

約数の個数: 192

約数和(自身を含む): 627681600

約数和(自身を除く): 470793960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 4789, 5460, 6552, 8190, 9578, 10920, 14367, 16380, 19156, 23945, 28734, 32760, 33523, 38312, 43101, 47890, 57468, 62257, 67046, 71835, 86202, 95780, 100569, 114936, 124514, 134092, 143670, 167615, 172404, 186771, 191560, 201138, 215505, 249028, 268184, 287340, 301707, 311285, 335230, 344808, 373542, 402276, 431010, 435799, 498056, 502845, 560313, 574680, 603414, 622570, 670460, 747084, 804552, 862020, 871598, 933855, 1005690, 1120626, 1206828, 1245140, 1307397, 1340920, 1494168, 1508535, 1724040, 1743196, 1867710, 2011380, 2178995, 2241252, 2413656, 2490280, 2614794, 2801565, 3017070, 3486392, 3735420, 3922191, 4022760, 4357990, 4482504, 5229588, 5603130, 6034140, 6536985, 7470840, 7844382, 8715980, 10459176, 11206260, 12068280, 13073970, 15688764, 17431960, 19610955, 22412520, 26147940, 31377528, 39221910, 52295880, 78443820, 156887640]

約数ペア:

[(1, 156887640), (2, 78443820), (3, 52295880), (4, 39221910), (5, 31377528), (6, 26147940), (7, 22412520), (8, 19610955), (9, 17431960), (10, 15688764), (12, 13073970), (13, 12068280), (14, 11206260), (15, 10459176), (18, 8715980), (20, 7844382), (21, 7470840), (24, 6536985), (26, 6034140), (28, 5603130), (30, 5229588), (35, 4482504), (36, 4357990), (39, 4022760), (40, 3922191), (42, 3735420), (45, 3486392), (52, 3017070), (56, 2801565), (60, 2614794), (63, 2490280), (65, 2413656), (70, 2241252), (72, 2178995), (78, 2011380), (84, 1867710), (90, 1743196), (91, 1724040), (104, 1508535), (105, 1494168), (117, 1340920), (120, 1307397), (126, 1245140), (130, 1206828), (140, 1120626), (156, 1005690), (168, 933855), (180, 871598), (182, 862020), (195, 804552), (210, 747084), (234, 670460), (252, 622570), (260, 603414), (273, 574680), (280, 560313), (312, 502845), (315, 498056), (360, 435799), (364, 431010), (390, 402276), (420, 373542), (455, 344808), (468, 335230), (504, 311285), (520, 301707), (546, 287340), (585, 268184), (630, 249028), (728, 215505), (780, 201138), (819, 191560), (840, 186771), (910, 172404), (936, 167615), (1092, 143670), (1170, 134092), (1260, 124514), (1365, 114936), (1560, 100569), (1638, 95780), (1820, 86202), (2184, 71835), (2340, 67046), (2520, 62257), (2730, 57468), (3276, 47890), (3640, 43101), (4095, 38312), (4680, 33523), (4789, 32760), (5460, 28734), (6552, 23945), (8190, 19156), (9578, 16380), (10920, 14367)]