20387452015

素因数分解:

$5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{900307}}^1$

素因数の和:900966

約数の個数: 16

約数和(自身を含む): 28003180032

約数和(自身を除く): 7615728017

約数列:

[1, 5, 7, 35, 647, 3235, 4529, 22645, 900307, 4501535, 6302149, 31510745, 582498629, 2912493145, 4077490403, 20387452015]

約数ペア:

[(1, 20387452015), (5, 4077490403), (7, 2912493145), (35, 582498629), (647, 31510745), (3235, 6302149), (4529, 4501535), (22645, 900307)]