20808280838

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2402249}}^1$

素因数の和:2402383

約数の個数: 16

約数和(自身を含む): 32170932000

約数和(自身を除く): 11362651162

約数列:

[1, 2, 61, 71, 122, 142, 4331, 8662, 2402249, 4804498, 146537189, 170559679, 293074378, 341119358, 10404140419, 20808280838]

約数ペア:

[(1, 20808280838), (2, 10404140419), (61, 341119358), (71, 293074378), (122, 170559679), (142, 146537189), (4331, 4804498), (8662, 2402249)]