20347819940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145341571}}^1$

素因数の和:145341587

約数の個数: 24

約数和(自身を含む): 48834768192

約数和(自身を除く): 28486948252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145341571, 290683142, 581366284, 726707855, 1017390997, 1453415710, 2034781994, 2906831420, 4069563988, 5086954985, 10173909970, 20347819940]

約数ペア:

[(1, 20347819940), (2, 10173909970), (4, 5086954985), (5, 4069563988), (7, 2906831420), (10, 2034781994), (14, 1453415710), (20, 1017390997), (28, 726707855), (35, 581366284), (70, 290683142), (140, 145341571)]