17021920

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 23475488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 557, 764, 955, 1114, 1528, 1910, 2228, 2785, 3056, 3820, 4456, 5570, 6112, 7640, 8912, 11140, 15280, 17824, 22280, 30560, 44560, 89120, 106387, 212774, 425548, 531935, 851096, 1063870, 1702192, 2127740, 3404384, 4255480, 8510960, 17021920]

約数ペア:

[(1, 17021920), (2, 8510960), (4, 4255480), (5, 3404384), (8, 2127740), (10, 1702192), (16, 1063870), (20, 851096), (32, 531935), (40, 425548), (80, 212774), (160, 106387), (191, 89120), (382, 44560), (557, 30560), (764, 22280), (955, 17824), (1114, 15280), (1528, 11140), (1910, 8912), (2228, 7640), (2785, 6112), (3056, 5570), (3820, 4456)]