20611474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 13934702

約数列:

[1, 2, 13, 26, 47, 94, 101, 167, 202, 334, 611, 1222, 1313, 2171, 2626, 4342, 4747, 7849, 9494, 15698, 16867, 33734, 61711, 102037, 123422, 204074, 219271, 438542, 792749, 1585498, 10305737, 20611474]

約数ペア:

[(1, 20611474), (2, 10305737), (13, 1585498), (26, 792749), (47, 438542), (94, 219271), (101, 204074), (167, 123422), (202, 102037), (334, 61711), (611, 33734), (1222, 16867), (1313, 15698), (2171, 9494), (2626, 7849), (4342, 4747)]