20346980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35081}}^1$

素因数の和:35119

約数の個数: 24

約数和(自身を含む): 44203320

約数和(自身を除く): 23856340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35081, 70162, 140324, 175405, 350810, 701620, 1017349, 2034698, 4069396, 5086745, 10173490, 20346980]

約数ペア:

[(1, 20346980), (2, 10173490), (4, 5086745), (5, 4069396), (10, 2034698), (20, 1017349), (29, 701620), (58, 350810), (116, 175405), (145, 140324), (290, 70162), (580, 35081)]