20643807060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3699607}}^1$

素因数の和:3699653

約数の個数: 72

約数和(自身を含む): 64639550976

約数和(自身を除く): 43995743916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 3699607, 7399214, 11098821, 14798428, 18498035, 22197642, 33296463, 36996070, 44395284, 55494105, 66592926, 73992140, 110988210, 114687817, 133185852, 166482315, 221976420, 229375634, 332964630, 344063451, 458751268, 573439085, 665929260, 688126902, 1032190353, 1146878170, 1376253804, 1720317255, 2064380706, 2293756340, 3440634510, 4128761412, 5160951765, 6881269020, 10321903530, 20643807060]

約数ペア:

[(1, 20643807060), (2, 10321903530), (3, 6881269020), (4, 5160951765), (5, 4128761412), (6, 3440634510), (9, 2293756340), (10, 2064380706), (12, 1720317255), (15, 1376253804), (18, 1146878170), (20, 1032190353), (30, 688126902), (31, 665929260), (36, 573439085), (45, 458751268), (60, 344063451), (62, 332964630), (90, 229375634), (93, 221976420), (124, 166482315), (155, 133185852), (180, 114687817), (186, 110988210), (279, 73992140), (310, 66592926), (372, 55494105), (465, 44395284), (558, 36996070), (620, 33296463), (930, 22197642), (1116, 18498035), (1395, 14798428), (1860, 11098821), (2790, 7399214), (5580, 3699607)]