20958994

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 38537856

約数和(自身を除く): 17578862

約数列:

[1, 2, 7, 14, 17, 34, 83, 119, 166, 238, 581, 1061, 1162, 1411, 2122, 2822, 7427, 9877, 14854, 18037, 19754, 36074, 88063, 126259, 176126, 252518, 616441, 1232882, 1497071, 2994142, 10479497, 20958994]

約数ペア:

[(1, 20958994), (2, 10479497), (7, 2994142), (14, 1497071), (17, 1232882), (34, 616441), (83, 252518), (119, 176126), (166, 126259), (238, 88063), (581, 36074), (1061, 19754), (1162, 18037), (1411, 14854), (2122, 9877), (2822, 7427)]