20010290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69001}}^1$

素因数の和:69037

約数の個数: 16

約数和(自身を含む): 37261080

約数和(自身を除く): 17250790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69001, 138002, 345005, 690010, 2001029, 4002058, 10005145, 20010290]

約数ペア:

[(1, 20010290), (2, 10005145), (5, 4002058), (10, 2001029), (29, 690010), (58, 345005), (145, 138002), (290, 69001)]