20278188

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{8941}}^1$

素因数の和:8964

約数の個数: 60

約数和(自身を含む): 60590992

約数和(自身を除く): 40312804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 8941, 17882, 26823, 35764, 53646, 62587, 80469, 107292, 125174, 160938, 187761, 241407, 250348, 321876, 375522, 482814, 563283, 724221, 751044, 965628, 1126566, 1448442, 1689849, 2253132, 2896884, 3379698, 5069547, 6759396, 10139094, 20278188]

約数ペア:

[(1, 20278188), (2, 10139094), (3, 6759396), (4, 5069547), (6, 3379698), (7, 2896884), (9, 2253132), (12, 1689849), (14, 1448442), (18, 1126566), (21, 965628), (27, 751044), (28, 724221), (36, 563283), (42, 482814), (54, 375522), (63, 321876), (81, 250348), (84, 241407), (108, 187761), (126, 160938), (162, 125174), (189, 107292), (252, 80469), (324, 62587), (378, 53646), (567, 35764), (756, 26823), (1134, 17882), (2268, 8941)]