20728045374

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{561097}}^1$

素因数の和:561280

約数の個数: 32

約数和(自身を含む): 42661403136

約数和(自身を除く): 21933357762

約数列:

[1, 2, 3, 6, 47, 94, 131, 141, 262, 282, 393, 786, 6157, 12314, 18471, 36942, 561097, 1122194, 1683291, 3366582, 26371559, 52743118, 73503707, 79114677, 147007414, 158229354, 220511121, 441022242, 3454674229, 6909348458, 10364022687, 20728045374]

約数ペア:

[(1, 20728045374), (2, 10364022687), (3, 6909348458), (6, 3454674229), (47, 441022242), (94, 220511121), (131, 158229354), (141, 147007414), (262, 79114677), (282, 73503707), (393, 52743118), (786, 26371559), (6157, 3366582), (12314, 1683291), (18471, 1122194), (36942, 561097)]