20138454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{577}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 50133408

約数和(自身を除く): 29994954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 277, 554, 577, 831, 1154, 1662, 1731, 1939, 2493, 3462, 3878, 4039, 4986, 5193, 5817, 8078, 10386, 11634, 12117, 17451, 24234, 34902, 36351, 72702, 159829, 319658, 479487, 958974, 1118803, 1438461, 2237606, 2876922, 3356409, 6712818, 10069227, 20138454]

約数ペア:

[(1, 20138454), (2, 10069227), (3, 6712818), (6, 3356409), (7, 2876922), (9, 2237606), (14, 1438461), (18, 1118803), (21, 958974), (42, 479487), (63, 319658), (126, 159829), (277, 72702), (554, 36351), (577, 34902), (831, 24234), (1154, 17451), (1662, 12117), (1731, 11634), (1939, 10386), (2493, 8078), (3462, 5817), (3878, 5193), (4039, 4986)]