4900020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{81667}}^1$

素因数の和:81679

約数の個数: 24

約数和(自身を含む): 13720224

約数和(自身を除く): 8820204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 81667, 163334, 245001, 326668, 408335, 490002, 816670, 980004, 1225005, 1633340, 2450010, 4900020]

約数ペア:

[(1, 4900020), (2, 2450010), (3, 1633340), (4, 1225005), (5, 980004), (6, 816670), (10, 490002), (12, 408335), (15, 326668), (20, 245001), (30, 163334), (60, 81667)]