28021820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60917}}^1$

素因数の和:60949

約数の個数: 24

約数和(自身を含む): 61405344

約数和(自身を除く): 33383524

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 60917, 121834, 243668, 304585, 609170, 1218340, 1401091, 2802182, 5604364, 7005455, 14010910, 28021820]

約数ペア:

[(1, 28021820), (2, 14010910), (4, 7005455), (5, 5604364), (10, 2802182), (20, 1401091), (23, 1218340), (46, 609170), (92, 304585), (115, 243668), (230, 121834), (460, 60917)]