20368026

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3299}}^1$

素因数の和:3328

約数の個数: 48

約数和(自身を含む): 51480000

約数和(自身を除く): 31111974

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3299, 6174, 6598, 9897, 19794, 23093, 29691, 46186, 59382, 69279, 138558, 161651, 207837, 323302, 415674, 484953, 969906, 1131557, 1454859, 2263114, 2909718, 3394671, 6789342, 10184013, 20368026]

約数ペア:

[(1, 20368026), (2, 10184013), (3, 6789342), (6, 3394671), (7, 2909718), (9, 2263114), (14, 1454859), (18, 1131557), (21, 969906), (42, 484953), (49, 415674), (63, 323302), (98, 207837), (126, 161651), (147, 138558), (294, 69279), (343, 59382), (441, 46186), (686, 29691), (882, 23093), (1029, 19794), (2058, 9897), (3087, 6598), (3299, 6174)]