20165202526

素因数分解:

$2^1\times 7^1\times {\mathrm{2243}}^1\times {\mathrm{642163}}^1$

素因数の和:644415

約数の個数: 16

約数和(自身を含む): 34584384384

約数和(自身を除く): 14419181858

約数列:

[1, 2, 7, 14, 2243, 4486, 15701, 31402, 642163, 1284326, 4495141, 8990282, 1440371609, 2880743218, 10082601263, 20165202526]

約数ペア:

[(1, 20165202526), (2, 10082601263), (7, 2880743218), (14, 1440371609), (2243, 8990282), (4486, 4495141), (15701, 1284326), (31402, 642163)]