20397780489

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{50087}}^1$

素因数の和:50301

約数の個数: 32

約数和(自身を含む): 29235363840

約数和(自身を除く): 8837583351

約数列:

[1, 3, 29, 31, 87, 93, 151, 453, 899, 2697, 4379, 4681, 13137, 14043, 50087, 135749, 150261, 407247, 1452523, 1552697, 4357569, 4658091, 7563137, 22689411, 45028213, 135084639, 219330973, 234457247, 657992919, 703371741, 6799260163, 20397780489]

約数ペア:

[(1, 20397780489), (3, 6799260163), (29, 703371741), (31, 657992919), (87, 234457247), (93, 219330973), (151, 135084639), (453, 45028213), (899, 22689411), (2697, 7563137), (4379, 4658091), (4681, 4357569), (13137, 1552697), (14043, 1452523), (50087, 407247), (135749, 150261)]