20845635

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 34827840

約数和(自身を除く): 13982205

約数列:

[1, 3, 5, 15, 29, 87, 145, 173, 277, 435, 519, 831, 865, 1385, 2595, 4155, 5017, 8033, 15051, 24099, 25085, 40165, 47921, 75255, 120495, 143763, 239605, 718815, 1389709, 4169127, 6948545, 20845635]

約数ペア:

[(1, 20845635), (3, 6948545), (5, 4169127), (15, 1389709), (29, 718815), (87, 239605), (145, 143763), (173, 120495), (277, 75255), (435, 47921), (519, 40165), (831, 25085), (865, 24099), (1385, 15051), (2595, 8033), (4155, 5017)]