203282620

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{20369}}^1$

素因数の和:20877

約数の個数: 24

約数和(自身を含む): 427770000

約数和(自身を除く): 224487380

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 20369, 40738, 81476, 101845, 203690, 407380, 10164131, 20328262, 40656524, 50820655, 101641310, 203282620]

約数ペア:

[(1, 203282620), (2, 101641310), (4, 50820655), (5, 40656524), (10, 20328262), (20, 10164131), (499, 407380), (998, 203690), (1996, 101845), (2495, 81476), (4990, 40738), (9980, 20369)]