20263235

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 26598480

約数和(自身を除く): 6335245

約数列:

[1, 5, 17, 37, 85, 185, 289, 379, 629, 1445, 1895, 3145, 6443, 10693, 14023, 32215, 53465, 70115, 109531, 238391, 547655, 1191955, 4052647, 20263235]

約数ペア:

[(1, 20263235), (5, 4052647), (17, 1191955), (37, 547655), (85, 238391), (185, 109531), (289, 70115), (379, 53465), (629, 32215), (1445, 14023), (1895, 10693), (3145, 6443)]