20554130

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^2\times {\mathrm{173}}^1$

素因数の和:398

約数の個数: 24

約数和(自身を含む): 37555812

約数和(自身を除く): 17001682

約数列:

[1, 2, 5, 10, 109, 173, 218, 346, 545, 865, 1090, 1730, 11881, 18857, 23762, 37714, 59405, 94285, 118810, 188570, 2055413, 4110826, 10277065, 20554130]

約数ペア:

[(1, 20554130), (2, 10277065), (5, 4110826), (10, 2055413), (109, 188570), (173, 118810), (218, 94285), (346, 59405), (545, 37714), (865, 23762), (1090, 18857), (1730, 11881)]