20860461

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 32466720

約数和(自身を除く): 11606259

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2837, 7353, 8511, 25533, 53903, 121991, 161709, 365973, 485127, 1097919, 2317829, 6953487, 20860461]

約数ペア:

[(1, 20860461), (3, 6953487), (9, 2317829), (19, 1097919), (43, 485127), (57, 365973), (129, 161709), (171, 121991), (387, 53903), (817, 25533), (2451, 8511), (2837, 7353)]