20192870

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3121}}^1$

素因数の和:3775

約数の個数: 16

約数和(自身を含む): 36415008

約数和(自身を除く): 16222138

約数列:

[1, 2, 5, 10, 647, 1294, 3121, 3235, 6242, 6470, 15605, 31210, 2019287, 4038574, 10096435, 20192870]

約数ペア:

[(1, 20192870), (2, 10096435), (5, 4038574), (10, 2019287), (647, 31210), (1294, 15605), (3121, 6470), (3235, 6242)]