20266820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144763}}^1$

素因数の和:144779

約数の個数: 24

約数和(自身を含む): 48640704

約数和(自身を除く): 28373884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144763, 289526, 579052, 723815, 1013341, 1447630, 2026682, 2895260, 4053364, 5066705, 10133410, 20266820]

約数ペア:

[(1, 20266820), (2, 10133410), (4, 5066705), (5, 4053364), (7, 2895260), (10, 2026682), (14, 1447630), (20, 1013341), (28, 723815), (35, 579052), (70, 289526), (140, 144763)]