20309560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29867}}^1$

素因数の和:29895

約数の個数: 32

約数和(自身を含む): 48386160

約数和(自身を除く): 28076600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29867, 59734, 119468, 149335, 238936, 298670, 507739, 597340, 1015478, 1194680, 2030956, 2538695, 4061912, 5077390, 10154780, 20309560]

約数ペア:

[(1, 20309560), (2, 10154780), (4, 5077390), (5, 4061912), (8, 2538695), (10, 2030956), (17, 1194680), (20, 1015478), (34, 597340), (40, 507739), (68, 298670), (85, 238936), (136, 149335), (170, 119468), (340, 59734), (680, 29867)]