20172843140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4523059}}^1$

素因数の和:4523291

約数の個数: 24

約数和(自身を含む): 42552948480

約数和(自身を除く): 22380105340

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 4523059, 9046118, 18092236, 22615295, 45230590, 90461180, 1008642157, 2017284314, 4034568628, 5043210785, 10086421570, 20172843140]

約数ペア:

[(1, 20172843140), (2, 10086421570), (4, 5043210785), (5, 4034568628), (10, 2017284314), (20, 1008642157), (223, 90461180), (446, 45230590), (892, 22615295), (1115, 18092236), (2230, 9046118), (4460, 4523059)]