20347788399

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{19709}}^1$

素因数の和:19951

約数の個数: 32

約数和(自身を含む): 28473223680

約数和(自身を除く): 8125435281

約数列:

[1, 3, 37, 71, 111, 131, 213, 393, 2627, 4847, 7881, 9301, 14541, 19709, 27903, 59127, 344137, 729233, 1032411, 1399339, 2187699, 2581879, 4198017, 7745637, 51775543, 95529523, 155326629, 183313409, 286588569, 549940227, 6782596133, 20347788399]

約数ペア:

[(1, 20347788399), (3, 6782596133), (37, 549940227), (71, 286588569), (111, 183313409), (131, 155326629), (213, 95529523), (393, 51775543), (2627, 7745637), (4847, 4198017), (7881, 2581879), (9301, 2187699), (14541, 1399339), (19709, 1032411), (27903, 729233), (59127, 344137)]