20501429

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 22748544

約数和(自身を除く): 2247115

約数列:

[1, 13, 61, 103, 251, 793, 1339, 3263, 6283, 15311, 25853, 81679, 199043, 336089, 1577033, 20501429]

約数ペア:

[(1, 20501429), (13, 1577033), (61, 336089), (103, 199043), (251, 81679), (793, 25853), (1339, 15311), (3263, 6283)]