20741820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2857}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 63859152

約数和(自身を除く): 43117332

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2857, 3630, 5714, 7260, 8571, 11428, 14285, 17142, 28570, 31427, 34284, 42855, 57140, 62854, 85710, 94281, 125708, 157135, 171420, 188562, 314270, 345697, 377124, 471405, 628540, 691394, 942810, 1037091, 1382788, 1728485, 1885620, 2074182, 3456970, 4148364, 5185455, 6913940, 10370910, 20741820]

約数ペア:

[(1, 20741820), (2, 10370910), (3, 6913940), (4, 5185455), (5, 4148364), (6, 3456970), (10, 2074182), (11, 1885620), (12, 1728485), (15, 1382788), (20, 1037091), (22, 942810), (30, 691394), (33, 628540), (44, 471405), (55, 377124), (60, 345697), (66, 314270), (110, 188562), (121, 171420), (132, 157135), (165, 125708), (220, 94281), (242, 85710), (330, 62854), (363, 57140), (484, 42855), (605, 34284), (660, 31427), (726, 28570), (1210, 17142), (1452, 14285), (1815, 11428), (2420, 8571), (2857, 7260), (3630, 5714)]