20875820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149113}}^1$

素因数の和:149129

約数の個数: 24

約数和(自身を含む): 50102304

約数和(自身を除く): 29226484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149113, 298226, 596452, 745565, 1043791, 1491130, 2087582, 2982260, 4175164, 5218955, 10437910, 20875820]

約数ペア:

[(1, 20875820), (2, 10437910), (4, 5218955), (5, 4175164), (7, 2982260), (10, 2087582), (14, 1491130), (20, 1043791), (28, 745565), (35, 596452), (70, 298226), (140, 149113)]