20662276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2689}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 38639160

約数和(自身を除く): 17976884

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2689, 3842, 5378, 7684, 10756, 45713, 91426, 182852, 303857, 607714, 1215428, 5165569, 10331138, 20662276]

約数ペア:

[(1, 20662276), (2, 10331138), (4, 5165569), (17, 1215428), (34, 607714), (68, 303857), (113, 182852), (226, 91426), (452, 45713), (1921, 10756), (2689, 7684), (3842, 5378)]