20188420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144203}}^1$

素因数の和:144219

約数の個数: 24

約数和(自身を含む): 48452544

約数和(自身を除く): 28264124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144203, 288406, 576812, 721015, 1009421, 1442030, 2018842, 2884060, 4037684, 5047105, 10094210, 20188420]

約数ペア:

[(1, 20188420), (2, 10094210), (4, 5047105), (5, 4037684), (7, 2884060), (10, 2018842), (14, 1442030), (20, 1009421), (28, 721015), (35, 576812), (70, 288406), (140, 144203)]