20137418

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 36816768

約数和(自身を除く): 16679350

約数列:

[1, 2, 7, 14, 17, 34, 119, 211, 238, 401, 422, 802, 1477, 2807, 2954, 3587, 5614, 6817, 7174, 13634, 25109, 47719, 50218, 84611, 95438, 169222, 592277, 1184554, 1438387, 2876774, 10068709, 20137418]

約数ペア:

[(1, 20137418), (2, 10068709), (7, 2876774), (14, 1438387), (17, 1184554), (34, 592277), (119, 169222), (211, 95438), (238, 84611), (401, 50218), (422, 47719), (802, 25109), (1477, 13634), (2807, 7174), (2954, 6817), (3587, 5614)]