20382642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1949}}^1$

素因数の和:2047

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 30722958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1743, 1949, 3486, 3898, 5229, 5847, 10458, 11694, 13643, 17541, 27286, 35082, 40929, 81858, 122787, 161767, 245574, 323534, 485301, 970602, 1132369, 1455903, 2264738, 2911806, 3397107, 6794214, 10191321, 20382642]

約数ペア:

[(1, 20382642), (2, 10191321), (3, 6794214), (6, 3397107), (7, 2911806), (9, 2264738), (14, 1455903), (18, 1132369), (21, 970602), (42, 485301), (63, 323534), (83, 245574), (126, 161767), (166, 122787), (249, 81858), (498, 40929), (581, 35082), (747, 27286), (1162, 17541), (1494, 13643), (1743, 11694), (1949, 10458), (3486, 5847), (3898, 5229)]