20201770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65167}}^1$

素因数の和:65205

約数の個数: 16

約数和(自身を含む): 37536768

約数和(自身を除く): 17334998

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65167, 130334, 325835, 651670, 2020177, 4040354, 10100885, 20201770]

約数ペア:

[(1, 20201770), (2, 10100885), (5, 4040354), (10, 2020177), (31, 651670), (62, 325835), (155, 130334), (310, 65167)]