20772960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3329}}^1$

素因数の和:3360

約数の個数: 96

約数和(自身を含む): 70489440

約数和(自身を除く): 49716480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3329, 6240, 6658, 9987, 13316, 16645, 19974, 26632, 33290, 39948, 43277, 49935, 53264, 66580, 79896, 86554, 99870, 106528, 129831, 133160, 159792, 173108, 199740, 216385, 259662, 266320, 319584, 346216, 399480, 432770, 519324, 532640, 649155, 692432, 798960, 865540, 1038648, 1298310, 1384864, 1597920, 1731080, 2077296, 2596620, 3462160, 4154592, 5193240, 6924320, 10386480, 20772960]

約数ペア:

[(1, 20772960), (2, 10386480), (3, 6924320), (4, 5193240), (5, 4154592), (6, 3462160), (8, 2596620), (10, 2077296), (12, 1731080), (13, 1597920), (15, 1384864), (16, 1298310), (20, 1038648), (24, 865540), (26, 798960), (30, 692432), (32, 649155), (39, 532640), (40, 519324), (48, 432770), (52, 399480), (60, 346216), (65, 319584), (78, 266320), (80, 259662), (96, 216385), (104, 199740), (120, 173108), (130, 159792), (156, 133160), (160, 129831), (195, 106528), (208, 99870), (240, 86554), (260, 79896), (312, 66580), (390, 53264), (416, 49935), (480, 43277), (520, 39948), (624, 33290), (780, 26632), (1040, 19974), (1248, 16645), (1560, 13316), (2080, 9987), (3120, 6658), (3329, 6240)]