20886130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2971}}^1$

素因数の和:3034

約数の個数: 32

約数和(自身を含む): 40656960

約数和(自身を除く): 19770830

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2971, 3515, 5942, 7030, 14855, 29710, 56449, 109927, 112898, 219854, 282245, 549635, 564490, 1099270, 2088613, 4177226, 10443065, 20886130]

約数ペア:

[(1, 20886130), (2, 10443065), (5, 4177226), (10, 2088613), (19, 1099270), (37, 564490), (38, 549635), (74, 282245), (95, 219854), (185, 112898), (190, 109927), (370, 56449), (703, 29710), (1406, 14855), (2971, 7030), (3515, 5942)]