13306820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9371}}^1$

素因数の和:9451

約数の個数: 24

約数和(自身を含む): 28340928

約数和(自身を除く): 15034108

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9371, 18742, 37484, 46855, 93710, 187420, 665341, 1330682, 2661364, 3326705, 6653410, 13306820]

約数ペア:

[(1, 13306820), (2, 6653410), (4, 3326705), (5, 2661364), (10, 1330682), (20, 665341), (71, 187420), (142, 93710), (284, 46855), (355, 37484), (710, 18742), (1420, 9371)]