20472697

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 23933952

約数和(自身を除く): 3461255

約数列:

[1, 7, 83, 167, 211, 581, 1169, 1477, 13861, 17513, 35237, 97027, 122591, 246659, 2924671, 20472697]

約数ペア:

[(1, 20472697), (7, 2924671), (83, 246659), (167, 122591), (211, 97027), (581, 35237), (1169, 17513), (1477, 13861)]