20437004

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4649}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 41143200

約数和(自身を除く): 20706196

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4649, 9298, 18596, 32543, 65086, 130172, 729893, 1459786, 2919572, 5109251, 10218502, 20437004]

約数ペア:

[(1, 20437004), (2, 10218502), (4, 5109251), (7, 2919572), (14, 1459786), (28, 729893), (157, 130172), (314, 65086), (628, 32543), (1099, 18596), (2198, 9298), (4396, 4649)]