20324990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2819}}^1$

素因数の和:2936

約数の個数: 32

約数和(自身を含む): 42232320

約数和(自身を除く): 21907330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2819, 3605, 5638, 7210, 14095, 19733, 28190, 39466, 98665, 197330, 290357, 580714, 1451785, 2032499, 2903570, 4064998, 10162495, 20324990]

約数ペア:

[(1, 20324990), (2, 10162495), (5, 4064998), (7, 2903570), (10, 2032499), (14, 1451785), (35, 580714), (70, 290357), (103, 197330), (206, 98665), (515, 39466), (721, 28190), (1030, 19733), (1442, 14095), (2819, 7210), (3605, 5638)]