20155652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5147}}^1$

素因数の和:5251

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 18763228

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5147, 10294, 20588, 56617, 113234, 226468, 458083, 916166, 1832332, 5038913, 10077826, 20155652]

約数ペア:

[(1, 20155652), (2, 10077826), (4, 5038913), (11, 1832332), (22, 916166), (44, 458083), (89, 226468), (178, 113234), (356, 56617), (979, 20588), (1958, 10294), (3916, 5147)]