20505752

素因数分解:

$2^3\times {\mathrm{67}}^2\times {\mathrm{571}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 39099060

約数和(自身を除く): 18593308

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 571, 1142, 2284, 4489, 4568, 8978, 17956, 35912, 38257, 76514, 153028, 306056, 2563219, 5126438, 10252876, 20505752]

約数ペア:

[(1, 20505752), (2, 10252876), (4, 5126438), (8, 2563219), (67, 306056), (134, 153028), (268, 76514), (536, 38257), (571, 35912), (1142, 17956), (2284, 8978), (4489, 4568)]