20173228120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11728621}}^1$

素因数の和:11728675

約数の個数: 32

約数和(自身を含む): 46445343120

約数和(自身を除く): 26272115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11728621, 23457242, 46914484, 58643105, 93828968, 117286210, 234572420, 469144840, 504330703, 1008661406, 2017322812, 2521653515, 4034645624, 5043307030, 10086614060, 20173228120]

約数ペア:

[(1, 20173228120), (2, 10086614060), (4, 5043307030), (5, 4034645624), (8, 2521653515), (10, 2017322812), (20, 1008661406), (40, 504330703), (43, 469144840), (86, 234572420), (172, 117286210), (215, 93828968), (344, 58643105), (430, 46914484), (860, 23457242), (1720, 11728621)]