12431620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20051}}^1$

素因数の和:20091

約数の個数: 24

約数和(自身を含む): 26949888

約数和(自身を除く): 14518268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20051, 40102, 80204, 100255, 200510, 401020, 621581, 1243162, 2486324, 3107905, 6215810, 12431620]

約数ペア:

[(1, 12431620), (2, 6215810), (4, 3107905), (5, 2486324), (10, 1243162), (20, 621581), (31, 401020), (62, 200510), (124, 100255), (155, 80204), (310, 40102), (620, 20051)]