20913848

素因数分解:

$2^3\times {\mathrm{59}}^2\times {\mathrm{751}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 39942480

約数和(自身を除く): 19028632

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 751, 1502, 3004, 3481, 6008, 6962, 13924, 27848, 44309, 88618, 177236, 354472, 2614231, 5228462, 10456924, 20913848]

約数ペア:

[(1, 20913848), (2, 10456924), (4, 5228462), (8, 2614231), (59, 354472), (118, 177236), (236, 88618), (472, 44309), (751, 27848), (1502, 13924), (3004, 6962), (3481, 6008)]