20927654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15464026

約数列:

[1, 2, 11, 22, 23, 46, 59, 118, 253, 506, 649, 701, 1298, 1357, 1402, 2714, 7711, 14927, 15422, 16123, 29854, 32246, 41359, 82718, 177353, 354706, 454949, 909898, 951257, 1902514, 10463827, 20927654]

約数ペア:

[(1, 20927654), (2, 10463827), (11, 1902514), (22, 951257), (23, 909898), (46, 454949), (59, 354706), (118, 177353), (253, 82718), (506, 41359), (649, 32246), (701, 29854), (1298, 16123), (1357, 15422), (1402, 14927), (2714, 7711)]