20118532

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11779}}^1$

素因数の和:11851

約数の個数: 24

約数和(自身を含む): 40900160

約数和(自身を除く): 20781628

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11779, 23558, 47116, 82453, 164906, 329812, 718519, 1437038, 2874076, 5029633, 10059266, 20118532]

約数ペア:

[(1, 20118532), (2, 10059266), (4, 5029633), (7, 2874076), (14, 1437038), (28, 718519), (61, 329812), (122, 164906), (244, 82453), (427, 47116), (854, 23558), (1708, 11779)]