20434911

素因数分解:

$3^1\times 7^4\times {\mathrm{2837}}^1$

素因数の和:2868

約数の個数: 20

約数和(自身を含む): 31796952

約数和(自身を除く): 11362041

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2837, 7203, 8511, 19859, 59577, 139013, 417039, 973091, 2919273, 6811637, 20434911]

約数ペア:

[(1, 20434911), (3, 6811637), (7, 2919273), (21, 973091), (49, 417039), (147, 139013), (343, 59577), (1029, 19859), (2401, 8511), (2837, 7203)]