20721282

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{41609}}^1$

素因数の和:41697

約数の個数: 16

約数和(自身を含む): 41942880

約数和(自身を除く): 21221598

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 41609, 83218, 124827, 249654, 3453547, 6907094, 10360641, 20721282]

約数ペア:

[(1, 20721282), (2, 10360641), (3, 6907094), (6, 3453547), (83, 249654), (166, 124827), (249, 83218), (498, 41609)]