20607818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7043}}^1$

素因数の和:7082

約数の個数: 32

約数和(自身を含む): 40573440

約数和(自身を除く): 19965622

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7043, 14086, 49301, 77473, 98602, 133817, 154946, 267634, 542311, 936719, 1084622, 1471987, 1873438, 2943974, 10303909, 20607818]

約数ペア:

[(1, 20607818), (2, 10303909), (7, 2943974), (11, 1873438), (14, 1471987), (19, 1084622), (22, 936719), (38, 542311), (77, 267634), (133, 154946), (154, 133817), (209, 98602), (266, 77473), (418, 49301), (1463, 14086), (2926, 7043)]