20951722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{991}}^1$

素因数の和:1066

約数の個数: 24

約数和(自身を含む): 35462016

約数和(自身を除く): 14510294

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 961, 991, 1922, 1982, 10571, 10901, 21142, 21802, 30721, 61442, 337931, 675862, 952351, 1904702, 10475861, 20951722]

約数ペア:

[(1, 20951722), (2, 10475861), (11, 1904702), (22, 952351), (31, 675862), (62, 337931), (341, 61442), (682, 30721), (961, 21802), (991, 21142), (1922, 10901), (1982, 10571)]