20348832980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145348807}}^1$

素因数の和:145348823

約数の個数: 24

約数和(自身を含む): 48837199488

約数和(自身を除く): 28488366508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145348807, 290697614, 581395228, 726744035, 1017441649, 1453488070, 2034883298, 2906976140, 4069766596, 5087208245, 10174416490, 20348832980]

約数ペア:

[(1, 20348832980), (2, 10174416490), (4, 5087208245), (5, 4069766596), (7, 2906976140), (10, 2034883298), (14, 1453488070), (20, 1017441649), (28, 726744035), (35, 581395228), (70, 290697614), (140, 145348807)]