20789298

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:904

約数の個数: 40

約数和(自身を含む): 46906860

約数和(自身を除く): 26117562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 709, 1086, 1418, 1629, 2127, 3258, 4254, 4887, 6381, 9774, 12762, 14661, 19143, 29322, 38286, 57429, 114858, 128329, 256658, 384987, 769974, 1154961, 2309922, 3464883, 6929766, 10394649, 20789298]

約数ペア:

[(1, 20789298), (2, 10394649), (3, 6929766), (6, 3464883), (9, 2309922), (18, 1154961), (27, 769974), (54, 384987), (81, 256658), (162, 128329), (181, 114858), (362, 57429), (543, 38286), (709, 29322), (1086, 19143), (1418, 14661), (1629, 12762), (2127, 9774), (3258, 6381), (4254, 4887)]