20802900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4079}}^1$

素因数の和:4113

約数の個数: 72

約数和(自身を含む): 63745920

約数和(自身を除く): 42943020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4079, 5100, 8158, 12237, 16316, 20395, 24474, 40790, 48948, 61185, 69343, 81580, 101975, 122370, 138686, 203950, 208029, 244740, 277372, 305925, 346715, 407900, 416058, 611850, 693430, 832116, 1040145, 1223700, 1386860, 1733575, 2080290, 3467150, 4160580, 5200725, 6934300, 10401450, 20802900]

約数ペア:

[(1, 20802900), (2, 10401450), (3, 6934300), (4, 5200725), (5, 4160580), (6, 3467150), (10, 2080290), (12, 1733575), (15, 1386860), (17, 1223700), (20, 1040145), (25, 832116), (30, 693430), (34, 611850), (50, 416058), (51, 407900), (60, 346715), (68, 305925), (75, 277372), (85, 244740), (100, 208029), (102, 203950), (150, 138686), (170, 122370), (204, 101975), (255, 81580), (300, 69343), (340, 61185), (425, 48948), (510, 40790), (850, 24474), (1020, 20395), (1275, 16316), (1700, 12237), (2550, 8158), (4079, 5100)]