20291018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2371}}^1$

素因数の和:2773

約数の個数: 16

約数和(自身を含む): 33302880

約数和(自身を除く): 13011862

約数列:

[1, 2, 11, 22, 389, 778, 2371, 4279, 4742, 8558, 26081, 52162, 922319, 1844638, 10145509, 20291018]

約数ペア:

[(1, 20291018), (2, 10145509), (11, 1844638), (22, 922319), (389, 52162), (778, 26081), (2371, 8558), (4279, 4742)]