20527755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14723445

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1019, 1185, 1343, 3057, 4029, 5095, 6715, 15285, 17323, 20145, 51969, 80501, 86615, 241503, 259845, 402505, 1207515, 1368517, 4105551, 6842585, 20527755]

約数ペア:

[(1, 20527755), (3, 6842585), (5, 4105551), (15, 1368517), (17, 1207515), (51, 402505), (79, 259845), (85, 241503), (237, 86615), (255, 80501), (395, 51969), (1019, 20145), (1185, 17323), (1343, 15285), (3057, 6715), (4029, 5095)]