13921420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11411}}^1$

素因数の和:11481

約数の個数: 24

約数和(自身を含む): 29716848

約数和(自身を除く): 15795428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11411, 22822, 45644, 57055, 114110, 228220, 696071, 1392142, 2784284, 3480355, 6960710, 13921420]

約数ペア:

[(1, 13921420), (2, 6960710), (4, 3480355), (5, 2784284), (10, 1392142), (20, 696071), (61, 228220), (122, 114110), (244, 57055), (305, 45644), (610, 22822), (1220, 11411)]