20144536760

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{359981}}^1$

素因数の和:361391

約数の個数: 32

約数和(自身を含む): 45357732000

約数和(自身を除く): 25213195240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 5596, 6995, 11192, 13990, 27980, 55960, 359981, 719962, 1439924, 1799905, 2879848, 3599810, 7199620, 14399240, 503613419, 1007226838, 2014453676, 2518067095, 4028907352, 5036134190, 10072268380, 20144536760]

約数ペア:

[(1, 20144536760), (2, 10072268380), (4, 5036134190), (5, 4028907352), (8, 2518067095), (10, 2014453676), (20, 1007226838), (40, 503613419), (1399, 14399240), (2798, 7199620), (5596, 3599810), (6995, 2879848), (11192, 1799905), (13990, 1439924), (27980, 719962), (55960, 359981)]