20199691491

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2521}}^1\times {\mathrm{4597}}^1$

素因数の和:7211

約数の個数: 32

約数和(自身を含む): 31170467328

約数和(自身を除く): 10970775837

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 2521, 4597, 7563, 13791, 17647, 32179, 52941, 96537, 209243, 381551, 627729, 1144653, 1464701, 2670857, 4394103, 8012571, 11589037, 34767111, 81123259, 243369777, 961890071, 2885670213, 6733230497, 20199691491]

約数ペア:

[(1, 20199691491), (3, 6733230497), (7, 2885670213), (21, 961890071), (83, 243369777), (249, 81123259), (581, 34767111), (1743, 11589037), (2521, 8012571), (4597, 4394103), (7563, 2670857), (13791, 1464701), (17647, 1144653), (32179, 627729), (52941, 381551), (96537, 209243)]