20946718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5407}}^1$

素因数の和:5571

約数の個数: 16

約数和(自身を含む): 34070400

約数和(自身を除く): 13123682

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5407, 10814, 70291, 140582, 805643, 1611286, 10473359, 20946718]

約数ペア:

[(1, 20946718), (2, 10473359), (13, 1611286), (26, 805643), (149, 140582), (298, 70291), (1937, 10814), (3874, 5407)]