16701920

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2283

約数の個数: 48

約数和(自身を含む): 40315968

約数和(自身を除く): 23614048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2221, 3760, 4442, 7520, 8884, 11105, 17768, 22210, 35536, 44420, 71072, 88840, 104387, 177680, 208774, 355360, 417548, 521935, 835096, 1043870, 1670192, 2087740, 3340384, 4175480, 8350960, 16701920]

約数ペア:

[(1, 16701920), (2, 8350960), (4, 4175480), (5, 3340384), (8, 2087740), (10, 1670192), (16, 1043870), (20, 835096), (32, 521935), (40, 417548), (47, 355360), (80, 208774), (94, 177680), (160, 104387), (188, 88840), (235, 71072), (376, 44420), (470, 35536), (752, 22210), (940, 17768), (1504, 11105), (1880, 8884), (2221, 7520), (3760, 4442)]