22720874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 17195926

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 769, 869, 1343, 1538, 1738, 2686, 8459, 13073, 14773, 16918, 26146, 29546, 60751, 121502, 143803, 287606, 668261, 1032767, 1336522, 2065534, 11360437, 22720874]

約数ペア:

[(1, 22720874), (2, 11360437), (11, 2065534), (17, 1336522), (22, 1032767), (34, 668261), (79, 287606), (158, 143803), (187, 121502), (374, 60751), (769, 29546), (869, 26146), (1343, 16918), (1538, 14773), (1738, 13073), (2686, 8459)]