20123961112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1864711}}^1$

素因数の和:1864807

約数の個数: 32

約数和(自身を含む): 40277779200

約数和(自身を除く): 20153818088

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 5396, 10792, 1864711, 3729422, 7458844, 14917688, 35429509, 70859018, 132394481, 141718036, 264788962, 283436072, 529577924, 1059155848, 2515495139, 5030990278, 10061980556, 20123961112]

約数ペア:

[(1, 20123961112), (2, 10061980556), (4, 5030990278), (8, 2515495139), (19, 1059155848), (38, 529577924), (71, 283436072), (76, 264788962), (142, 141718036), (152, 132394481), (284, 70859018), (568, 35429509), (1349, 14917688), (2698, 7458844), (5396, 3729422), (10792, 1864711)]