20723460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15017}}^1$

素因数の和:15052

約数の個数: 48

約数和(自身を含む): 60552576

約数和(自身を除く): 39829116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15017, 30034, 45051, 60068, 75085, 90102, 150170, 180204, 225255, 300340, 345391, 450510, 690782, 901020, 1036173, 1381564, 1726955, 2072346, 3453910, 4144692, 5180865, 6907820, 10361730, 20723460]

約数ペア:

[(1, 20723460), (2, 10361730), (3, 6907820), (4, 5180865), (5, 4144692), (6, 3453910), (10, 2072346), (12, 1726955), (15, 1381564), (20, 1036173), (23, 901020), (30, 690782), (46, 450510), (60, 345391), (69, 300340), (92, 225255), (115, 180204), (138, 150170), (230, 90102), (276, 75085), (345, 60068), (460, 45051), (690, 30034), (1380, 15017)]