20124741

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10531}}^1$

素因数の和:10561

約数の個数: 24

約数和(自身を含む): 33618144

約数和(自身を除く): 13493403

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10531, 31593, 73717, 136903, 221151, 410709, 516019, 958321, 1548057, 2874963, 6708247, 20124741]

約数ペア:

[(1, 20124741), (3, 6708247), (7, 2874963), (13, 1548057), (21, 958321), (39, 516019), (49, 410709), (91, 221151), (147, 136903), (273, 73717), (637, 31593), (1911, 10531)]