20259260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144709}}^1$

素因数の和:144725

約数の個数: 24

約数和(自身を含む): 48622560

約数和(自身を除く): 28363300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144709, 289418, 578836, 723545, 1012963, 1447090, 2025926, 2894180, 4051852, 5064815, 10129630, 20259260]

約数ペア:

[(1, 20259260), (2, 10129630), (4, 5064815), (5, 4051852), (7, 2894180), (10, 2025926), (14, 1447090), (20, 1012963), (28, 723545), (35, 578836), (70, 289418), (140, 144709)]