20686075455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1275737}}^1$

素因数の和:1275815

約数の個数: 32

約数和(自身を含む): 35271604224

約数和(自身を除く): 14585528769

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 1275737, 3827211, 6378685, 19136055, 29341951, 59959639, 88025853, 146709755, 179878917, 299798195, 440129265, 899394585, 1379071697, 4137215091, 6895358485, 20686075455]

約数ペア:

[(1, 20686075455), (3, 6895358485), (5, 4137215091), (15, 1379071697), (23, 899394585), (47, 440129265), (69, 299798195), (115, 179878917), (141, 146709755), (235, 88025853), (345, 59959639), (705, 29341951), (1081, 19136055), (3243, 6378685), (5405, 3827211), (16215, 1275737)]