20002320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2169

約数の個数: 120

約数和(自身を含む): 72375576

約数和(自身を除く): 52373256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2137, 2340, 3120, 4274, 4680, 6411, 8548, 9360, 10685, 12822, 17096, 19233, 21370, 25644, 27781, 32055, 34192, 38466, 42740, 51288, 55562, 64110, 76932, 83343, 85480, 96165, 102576, 111124, 128220, 138905, 153864, 166686, 170960, 192330, 222248, 250029, 256440, 277810, 307728, 333372, 384660, 416715, 444496, 500058, 512880, 555620, 666744, 769320, 833430, 1000116, 1111240, 1250145, 1333488, 1538640, 1666860, 2000232, 2222480, 2500290, 3333720, 4000464, 5000580, 6667440, 10001160, 20002320]

約数ペア:

[(1, 20002320), (2, 10001160), (3, 6667440), (4, 5000580), (5, 4000464), (6, 3333720), (8, 2500290), (9, 2222480), (10, 2000232), (12, 1666860), (13, 1538640), (15, 1333488), (16, 1250145), (18, 1111240), (20, 1000116), (24, 833430), (26, 769320), (30, 666744), (36, 555620), (39, 512880), (40, 500058), (45, 444496), (48, 416715), (52, 384660), (60, 333372), (65, 307728), (72, 277810), (78, 256440), (80, 250029), (90, 222248), (104, 192330), (117, 170960), (120, 166686), (130, 153864), (144, 138905), (156, 128220), (180, 111124), (195, 102576), (208, 96165), (234, 85480), (240, 83343), (260, 76932), (312, 64110), (360, 55562), (390, 51288), (468, 42740), (520, 38466), (585, 34192), (624, 32055), (720, 27781), (780, 25644), (936, 21370), (1040, 19233), (1170, 17096), (1560, 12822), (1872, 10685), (2137, 9360), (2340, 8548), (3120, 6411), (4274, 4680)]