20031580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32309}}^1$

素因数の和:32349

約数の個数: 24

約数和(自身を含む): 43424640

約数和(自身を除く): 23393060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32309, 64618, 129236, 161545, 323090, 646180, 1001579, 2003158, 4006316, 5007895, 10015790, 20031580]

約数ペア:

[(1, 20031580), (2, 10015790), (4, 5007895), (5, 4006316), (10, 2003158), (20, 1001579), (31, 646180), (62, 323090), (124, 161545), (155, 129236), (310, 64618), (620, 32309)]