16920328

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 32852160

約数和(自身を除く): 15931832

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 202, 344, 404, 487, 808, 974, 1948, 3896, 4343, 8686, 17372, 20941, 34744, 41882, 49187, 83764, 98374, 167528, 196748, 393496, 2115041, 4230082, 8460164, 16920328]

約数ペア:

[(1, 16920328), (2, 8460164), (4, 4230082), (8, 2115041), (43, 393496), (86, 196748), (101, 167528), (172, 98374), (202, 83764), (344, 49187), (404, 41882), (487, 34744), (808, 20941), (974, 17372), (1948, 8686), (3896, 4343)]