20307580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53441}}^1$

素因数の和:53469

約数の個数: 24

約数和(自身を含む): 44891280

約数和(自身を除く): 24583700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53441, 106882, 213764, 267205, 534410, 1015379, 1068820, 2030758, 4061516, 5076895, 10153790, 20307580]

約数ペア:

[(1, 20307580), (2, 10153790), (4, 5076895), (5, 4061516), (10, 2030758), (19, 1068820), (20, 1015379), (38, 534410), (76, 267205), (95, 213764), (190, 106882), (380, 53441)]