2001994945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{513991}}^1$

素因数の和:514056

約数の個数: 16

約数和(自身を含む): 2590519680

約数和(自身を除く): 588524735

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 513991, 2569955, 9765829, 21073631, 48829145, 105368155, 400398989, 2001994945]

約数ペア:

[(1, 2001994945), (5, 400398989), (19, 105368155), (41, 48829145), (95, 21073631), (205, 9765829), (779, 2569955), (3895, 513991)]