20945104

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2503}}^1$

素因数の和:3034

約数の個数: 20

約数和(自身を含む): 40674976

約数和(自身を除く): 19729872

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2503, 4184, 5006, 8368, 10012, 20024, 40048, 1309069, 2618138, 5236276, 10472552, 20945104]

約数ペア:

[(1, 20945104), (2, 10472552), (4, 5236276), (8, 2618138), (16, 1309069), (523, 40048), (1046, 20024), (2092, 10012), (2503, 8368), (4184, 5006)]