20492563

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9791}}^1$

素因数の和:9834

約数の個数: 16

約数和(自身を含む): 26320896

約数和(自身を除く): 5828333

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9791, 68537, 127283, 225193, 890981, 1576351, 2927509, 20492563]

約数ペア:

[(1, 20492563), (7, 2927509), (13, 1576351), (23, 890981), (91, 225193), (161, 127283), (299, 68537), (2093, 9791)]