20397484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3797}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 17886356

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 3797, 5372, 7594, 15188, 64549, 129098, 258196, 299963, 599926, 1199852, 5099371, 10198742, 20397484]

約数ペア:

[(1, 20397484), (2, 10198742), (4, 5099371), (17, 1199852), (34, 599926), (68, 299963), (79, 258196), (158, 129098), (316, 64549), (1343, 15188), (2686, 7594), (3797, 5372)]