31117420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6977}}^1$

素因数の和:7209

約数の個数: 24

約数和(自身を含む): 65649024

約数和(自身を除く): 34531604

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 6977, 13954, 27908, 34885, 69770, 139540, 1555871, 3111742, 6223484, 7779355, 15558710, 31117420]

約数ペア:

[(1, 31117420), (2, 15558710), (4, 7779355), (5, 6223484), (10, 3111742), (20, 1555871), (223, 139540), (446, 69770), (892, 34885), (1115, 27908), (2230, 13954), (4460, 6977)]