20116780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59167}}^1$

素因数の和:59193

約数の個数: 24

約数和(自身を含む): 44731008

約数和(自身を除く): 24614228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59167, 118334, 236668, 295835, 591670, 1005839, 1183340, 2011678, 4023356, 5029195, 10058390, 20116780]

約数ペア:

[(1, 20116780), (2, 10058390), (4, 5029195), (5, 4023356), (10, 2011678), (17, 1183340), (20, 1005839), (34, 591670), (68, 295835), (85, 236668), (170, 118334), (340, 59167)]