20145908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4391}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 37384704

約数和(自身を除く): 17238796

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4391, 4588, 8782, 17564, 136121, 162467, 272242, 324934, 544484, 649868, 5036477, 10072954, 20145908]

約数ペア:

[(1, 20145908), (2, 10072954), (4, 5036477), (31, 649868), (37, 544484), (62, 324934), (74, 272242), (124, 162467), (148, 136121), (1147, 17564), (2294, 8782), (4391, 4588)]