20186656120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{272351}}^1$

素因数の和:272488

約数の個数: 64

約数和(自身を含む): 48533126400

約数和(自身を除く): 28346470280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 1090, 1853, 2180, 3706, 4360, 7412, 9265, 14824, 18530, 37060, 74120, 272351, 544702, 1089404, 1361755, 2178808, 2723510, 4629967, 5447020, 9259934, 10894040, 18519868, 23149835, 29686259, 37039736, 46299670, 59372518, 92599340, 118745036, 148431295, 185198680, 237490072, 296862590, 504666403, 593725180, 1009332806, 1187450360, 2018665612, 2523332015, 4037331224, 5046664030, 10093328060, 20186656120]

約数ペア:

[(1, 20186656120), (2, 10093328060), (4, 5046664030), (5, 4037331224), (8, 2523332015), (10, 2018665612), (17, 1187450360), (20, 1009332806), (34, 593725180), (40, 504666403), (68, 296862590), (85, 237490072), (109, 185198680), (136, 148431295), (170, 118745036), (218, 92599340), (340, 59372518), (436, 46299670), (545, 37039736), (680, 29686259), (872, 23149835), (1090, 18519868), (1853, 10894040), (2180, 9259934), (3706, 5447020), (4360, 4629967), (7412, 2723510), (9265, 2178808), (14824, 1361755), (18530, 1089404), (37060, 544702), (74120, 272351)]