20597608

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 41997600

約数和(自身を除く): 21399992

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 151, 236, 289, 302, 472, 578, 604, 1003, 1156, 1208, 2006, 2312, 2567, 4012, 5134, 8024, 8909, 10268, 17051, 17818, 20536, 34102, 35636, 43639, 68204, 71272, 87278, 136408, 151453, 174556, 302906, 349112, 605812, 1211624, 2574701, 5149402, 10298804, 20597608]

約数ペア:

[(1, 20597608), (2, 10298804), (4, 5149402), (8, 2574701), (17, 1211624), (34, 605812), (59, 349112), (68, 302906), (118, 174556), (136, 151453), (151, 136408), (236, 87278), (289, 71272), (302, 68204), (472, 43639), (578, 35636), (604, 34102), (1003, 20536), (1156, 17818), (1208, 17051), (2006, 10268), (2312, 8909), (2567, 8024), (4012, 5134)]