20408084080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6894623}}^1$

素因数の和:6894673

約数の個数: 40

約数和(自身を含む): 48731202432

約数和(自身を除く): 28323118352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6894623, 13789246, 27578492, 34473115, 55156984, 68946230, 110313968, 137892460, 255101051, 275784920, 510202102, 551569840, 1020404204, 1275505255, 2040808408, 2551010510, 4081616816, 5102021020, 10204042040, 20408084080]

約数ペア:

[(1, 20408084080), (2, 10204042040), (4, 5102021020), (5, 4081616816), (8, 2551010510), (10, 2040808408), (16, 1275505255), (20, 1020404204), (37, 551569840), (40, 510202102), (74, 275784920), (80, 255101051), (148, 137892460), (185, 110313968), (296, 68946230), (370, 55156984), (592, 34473115), (740, 27578492), (1480, 13789246), (2960, 6894623)]