20498978

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{599}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 31363200

約数和(自身を除く): 10864222

約数列:

[1, 2, 71, 142, 241, 482, 599, 1198, 17111, 34222, 42529, 85058, 144359, 288718, 10249489, 20498978]

約数ペア:

[(1, 20498978), (2, 10249489), (71, 288718), (142, 144359), (241, 85058), (482, 42529), (599, 34222), (1198, 17111)]