20827854

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1549}}^1$

素因数の和:1646

約数の個数: 40

約数和(自身を含む): 47262600

約数和(自身を除く): 26434746

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 747, 1494, 1549, 2241, 3098, 4482, 4647, 6723, 9294, 13446, 13941, 27882, 41823, 83646, 125469, 128567, 250938, 257134, 385701, 771402, 1157103, 2314206, 3471309, 6942618, 10413927, 20827854]

約数ペア:

[(1, 20827854), (2, 10413927), (3, 6942618), (6, 3471309), (9, 2314206), (18, 1157103), (27, 771402), (54, 385701), (81, 257134), (83, 250938), (162, 128567), (166, 125469), (249, 83646), (498, 41823), (747, 27882), (1494, 13941), (1549, 13446), (2241, 9294), (3098, 6723), (4482, 4647)]