20432165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 7630555

約数列:

[1, 5, 13, 23, 65, 79, 115, 173, 299, 395, 865, 1027, 1495, 1817, 2249, 3979, 5135, 9085, 11245, 13667, 19895, 23621, 51727, 68335, 118105, 177671, 258635, 314341, 888355, 1571705, 4086433, 20432165]

約数ペア:

[(1, 20432165), (5, 4086433), (13, 1571705), (23, 888355), (65, 314341), (79, 258635), (115, 177671), (173, 118105), (299, 68335), (395, 51727), (865, 23621), (1027, 19895), (1495, 13667), (1817, 11245), (2249, 9085), (3979, 5135)]