20216760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8867}}^1$

素因数の和:8900

約数の個数: 64

約数和(自身を含む): 63849600

約数和(自身を除く): 43632840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8867, 17734, 26601, 35468, 44335, 53202, 70936, 88670, 106404, 133005, 168473, 177340, 212808, 266010, 336946, 354680, 505419, 532020, 673892, 842365, 1010838, 1064040, 1347784, 1684730, 2021676, 2527095, 3369460, 4043352, 5054190, 6738920, 10108380, 20216760]

約数ペア:

[(1, 20216760), (2, 10108380), (3, 6738920), (4, 5054190), (5, 4043352), (6, 3369460), (8, 2527095), (10, 2021676), (12, 1684730), (15, 1347784), (19, 1064040), (20, 1010838), (24, 842365), (30, 673892), (38, 532020), (40, 505419), (57, 354680), (60, 336946), (76, 266010), (95, 212808), (114, 177340), (120, 168473), (152, 133005), (190, 106404), (228, 88670), (285, 70936), (380, 53202), (456, 44335), (570, 35468), (760, 26601), (1140, 17734), (2280, 8867)]