20850120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57917}}^1$

素因数の和:57934

約数の個数: 48

約数和(自身を含む): 67764060

約数和(自身を除く): 46913940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57917, 115834, 173751, 231668, 289585, 347502, 463336, 521253, 579170, 695004, 868755, 1042506, 1158340, 1390008, 1737510, 2085012, 2316680, 2606265, 3475020, 4170024, 5212530, 6950040, 10425060, 20850120]

約数ペア:

[(1, 20850120), (2, 10425060), (3, 6950040), (4, 5212530), (5, 4170024), (6, 3475020), (8, 2606265), (9, 2316680), (10, 2085012), (12, 1737510), (15, 1390008), (18, 1158340), (20, 1042506), (24, 868755), (30, 695004), (36, 579170), (40, 521253), (45, 463336), (60, 347502), (72, 289585), (90, 231668), (120, 173751), (180, 115834), (360, 57917)]