20318460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{853}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 57101856

約数和(自身を除く): 36783396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 853, 1191, 1588, 1706, 1985, 2382, 2559, 3412, 3970, 4265, 4764, 5118, 5955, 7940, 8530, 10236, 11910, 12795, 17060, 23820, 25590, 51180, 338641, 677282, 1015923, 1354564, 1693205, 2031846, 3386410, 4063692, 5079615, 6772820, 10159230, 20318460]

約数ペア:

[(1, 20318460), (2, 10159230), (3, 6772820), (4, 5079615), (5, 4063692), (6, 3386410), (10, 2031846), (12, 1693205), (15, 1354564), (20, 1015923), (30, 677282), (60, 338641), (397, 51180), (794, 25590), (853, 23820), (1191, 17060), (1588, 12795), (1706, 11910), (1985, 10236), (2382, 8530), (2559, 7940), (3412, 5955), (3970, 5118), (4265, 4764)]