20818235

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2702

約数の個数: 16

約数和(自身を含む): 26263776

約数和(自身を除く): 5445541

約数列:

[1, 5, 37, 43, 185, 215, 1591, 2617, 7955, 13085, 96829, 112531, 484145, 562655, 4163647, 20818235]

約数ペア:

[(1, 20818235), (5, 4163647), (37, 562655), (43, 484145), (185, 112531), (215, 96829), (1591, 13085), (2617, 7955)]