20521852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6689}}^1$

素因数の和:6765

約数の個数: 24

約数和(自身を含む): 39337200

約数和(自身を除く): 18815348

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6689, 13378, 26756, 86957, 173914, 347828, 394651, 789302, 1578604, 5130463, 10260926, 20521852]

約数ペア:

[(1, 20521852), (2, 10260926), (4, 5130463), (13, 1578604), (26, 789302), (52, 394651), (59, 347828), (118, 173914), (236, 86957), (767, 26756), (1534, 13378), (3068, 6689)]