20918862

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37489}}^1$

素因数の和:37528

約数の個数: 24

約数和(自身を含む): 46787520

約数和(自身を除く): 25868658

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 37489, 74978, 112467, 224934, 337401, 674802, 1162159, 2324318, 3486477, 6972954, 10459431, 20918862]

約数ペア:

[(1, 20918862), (2, 10459431), (3, 6972954), (6, 3486477), (9, 2324318), (18, 1162159), (31, 674802), (62, 337401), (93, 224934), (186, 112467), (279, 74978), (558, 37489)]