20129100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 58694160

約数和(自身を除く): 38565060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 229, 293, 300, 458, 586, 687, 879, 916, 1145, 1172, 1374, 1465, 1758, 2290, 2748, 2930, 3435, 3516, 4395, 4580, 5725, 5860, 6870, 7325, 8790, 11450, 13740, 14650, 17175, 17580, 21975, 22900, 29300, 34350, 43950, 67097, 68700, 87900, 134194, 201291, 268388, 335485, 402582, 670970, 805164, 1006455, 1341940, 1677425, 2012910, 3354850, 4025820, 5032275, 6709700, 10064550, 20129100]

約数ペア:

[(1, 20129100), (2, 10064550), (3, 6709700), (4, 5032275), (5, 4025820), (6, 3354850), (10, 2012910), (12, 1677425), (15, 1341940), (20, 1006455), (25, 805164), (30, 670970), (50, 402582), (60, 335485), (75, 268388), (100, 201291), (150, 134194), (229, 87900), (293, 68700), (300, 67097), (458, 43950), (586, 34350), (687, 29300), (879, 22900), (916, 21975), (1145, 17580), (1172, 17175), (1374, 14650), (1465, 13740), (1758, 11450), (2290, 8790), (2748, 7325), (2930, 6870), (3435, 5860), (3516, 5725), (4395, 4580)]