20586580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147047}}^1$

素因数の和:147063

約数の個数: 24

約数和(自身を含む): 49408128

約数和(自身を除く): 28821548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147047, 294094, 588188, 735235, 1029329, 1470470, 2058658, 2940940, 4117316, 5146645, 10293290, 20586580]

約数ペア:

[(1, 20586580), (2, 10293290), (4, 5146645), (5, 4117316), (7, 2940940), (10, 2058658), (14, 1470470), (20, 1029329), (28, 735235), (35, 588188), (70, 294094), (140, 147047)]