20724812

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 37210320

約数和(自身を除く): 16485508

約数列:

[1, 2, 4, 59, 118, 137, 236, 274, 548, 641, 1282, 2564, 8083, 16166, 32332, 37819, 75638, 87817, 151276, 175634, 351268, 5181203, 10362406, 20724812]

約数ペア:

[(1, 20724812), (2, 10362406), (4, 5181203), (59, 351268), (118, 175634), (137, 151276), (236, 87817), (274, 75638), (548, 37819), (641, 32332), (1282, 16166), (2564, 8083)]