20344774

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1811}}^1$

素因数の和:1991

約数の個数: 16

約数和(自身を含む): 31507056

約数和(自身を除く): 11162282

約数列:

[1, 2, 41, 82, 137, 274, 1811, 3622, 5617, 11234, 74251, 148502, 248107, 496214, 10172387, 20344774]

約数ペア:

[(1, 20344774), (2, 10172387), (41, 496214), (82, 248107), (137, 148502), (274, 74251), (1811, 11234), (3622, 5617)]