20622217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 25961472

約数和(自身を除く): 5339255

約数列:

[1, 7, 11, 77, 107, 749, 1177, 2503, 8239, 17521, 27533, 192731, 267821, 1874747, 2946031, 20622217]

約数ペア:

[(1, 20622217), (7, 2946031), (11, 1874747), (77, 267821), (107, 192731), (749, 27533), (1177, 17521), (2503, 8239)]