20118348

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1709}}^1$

素因数の和:1831

約数の個数: 48

約数和(自身を含む): 52668000

約数和(自身を除く): 32549652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1709, 1962, 2943, 3418, 3924, 5127, 5886, 6836, 10254, 11772, 15381, 20508, 30762, 46143, 61524, 92286, 184572, 186281, 372562, 558843, 745124, 1117686, 1676529, 2235372, 3353058, 5029587, 6706116, 10059174, 20118348]

約数ペア:

[(1, 20118348), (2, 10059174), (3, 6706116), (4, 5029587), (6, 3353058), (9, 2235372), (12, 1676529), (18, 1117686), (27, 745124), (36, 558843), (54, 372562), (108, 186281), (109, 184572), (218, 92286), (327, 61524), (436, 46143), (654, 30762), (981, 20508), (1308, 15381), (1709, 11772), (1962, 10254), (2943, 6836), (3418, 5886), (3924, 5127)]