20197802037

素因数分解:

$3^1\times 7^1\times {\mathrm{5479}}^1\times {\mathrm{175543}}^1$

素因数の和:181032

約数の個数: 16

約数和(自身を含む): 30783395840

約数和(自身を除く): 10585593803

約数列:

[1, 3, 7, 21, 5479, 16437, 38353, 115059, 175543, 526629, 1228801, 3686403, 961800097, 2885400291, 6732600679, 20197802037]

約数ペア:

[(1, 20197802037), (3, 6732600679), (7, 2885400291), (21, 961800097), (5479, 3686403), (16437, 1228801), (38353, 526629), (115059, 175543)]