20320596

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{13127}}^1$

素因数の和:13180

約数の個数: 36

約数和(自身を含む): 52564512

約数和(自身を除く): 32243916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 13127, 26254, 39381, 52508, 78762, 118143, 157524, 236286, 472572, 564461, 1128922, 1693383, 2257844, 3386766, 5080149, 6773532, 10160298, 20320596]

約数ペア:

[(1, 20320596), (2, 10160298), (3, 6773532), (4, 5080149), (6, 3386766), (9, 2257844), (12, 1693383), (18, 1128922), (36, 564461), (43, 472572), (86, 236286), (129, 157524), (172, 118143), (258, 78762), (387, 52508), (516, 39381), (774, 26254), (1548, 13127)]