20634120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4439

約数の個数: 96

約数和(自身を含む): 72235800

約数和(自身を除く): 51601680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4409, 4680, 8818, 13227, 17636, 22045, 26454, 35272, 39681, 44090, 52908, 57317, 66135, 79362, 88180, 105816, 114634, 132270, 158724, 171951, 176360, 198405, 229268, 264540, 286585, 317448, 343902, 396810, 458536, 515853, 529080, 573170, 687804, 793620, 859755, 1031706, 1146340, 1375608, 1587240, 1719510, 2063412, 2292680, 2579265, 3439020, 4126824, 5158530, 6878040, 10317060, 20634120]

約数ペア:

[(1, 20634120), (2, 10317060), (3, 6878040), (4, 5158530), (5, 4126824), (6, 3439020), (8, 2579265), (9, 2292680), (10, 2063412), (12, 1719510), (13, 1587240), (15, 1375608), (18, 1146340), (20, 1031706), (24, 859755), (26, 793620), (30, 687804), (36, 573170), (39, 529080), (40, 515853), (45, 458536), (52, 396810), (60, 343902), (65, 317448), (72, 286585), (78, 264540), (90, 229268), (104, 198405), (117, 176360), (120, 171951), (130, 158724), (156, 132270), (180, 114634), (195, 105816), (234, 88180), (260, 79362), (312, 66135), (360, 57317), (390, 52908), (468, 44090), (520, 39681), (585, 35272), (780, 26454), (936, 22045), (1170, 17636), (1560, 13227), (2340, 8818), (4409, 4680)]