20909092

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 37775360

約数和(自身を除く): 16866268

約数列:

[1, 2, 4, 61, 67, 122, 134, 244, 268, 1279, 2558, 4087, 5116, 8174, 16348, 78019, 85693, 156038, 171386, 312076, 342772, 5227273, 10454546, 20909092]

約数ペア:

[(1, 20909092), (2, 10454546), (4, 5227273), (61, 342772), (67, 312076), (122, 171386), (134, 156038), (244, 85693), (268, 78019), (1279, 16348), (2558, 8174), (4087, 5116)]