20838074

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 31876416

約数和(自身を除く): 11038342

約数列:

[1, 2, 71, 142, 257, 514, 571, 1142, 18247, 36494, 40541, 81082, 146747, 293494, 10419037, 20838074]

約数ペア:

[(1, 20838074), (2, 10419037), (71, 293494), (142, 146747), (257, 81082), (514, 40541), (571, 36494), (1142, 18247)]