20328570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25097}}^1$

素因数の和:25116

約数の個数: 40

約数和(自身を含む): 54663444

約数和(自身を除く): 34334874

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25097, 50194, 75291, 125485, 150582, 225873, 250970, 376455, 451746, 677619, 752910, 1129365, 1355238, 2032857, 2258730, 3388095, 4065714, 6776190, 10164285, 20328570]

約数ペア:

[(1, 20328570), (2, 10164285), (3, 6776190), (5, 4065714), (6, 3388095), (9, 2258730), (10, 2032857), (15, 1355238), (18, 1129365), (27, 752910), (30, 677619), (45, 451746), (54, 376455), (81, 250970), (90, 225873), (135, 150582), (162, 125485), (270, 75291), (405, 50194), (810, 25097)]