20809648

素因数分解:

$2^4\times {\mathrm{727}}^1\times {\mathrm{1789}}^1$

素因数の和:2524

約数の個数: 20

約数和(自身を含む): 40396720

約数和(自身を除く): 19587072

約数列:

[1, 2, 4, 8, 16, 727, 1454, 1789, 2908, 3578, 5816, 7156, 11632, 14312, 28624, 1300603, 2601206, 5202412, 10404824, 20809648]

約数ペア:

[(1, 20809648), (2, 10404824), (4, 5202412), (8, 2601206), (16, 1300603), (727, 28624), (1454, 14312), (1789, 11632), (2908, 7156), (3578, 5816)]