20122712065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{578821}}^1$

素因数の和:579252

約数の個数: 16

約数和(自身を含む): 25630238160

約数和(自身を除く): 5507526095

約数列:

[1, 5, 17, 85, 409, 2045, 6953, 34765, 578821, 2894105, 9839957, 49199785, 236737789, 1183688945, 4024542413, 20122712065]

約数ペア:

[(1, 20122712065), (5, 4024542413), (17, 1183688945), (85, 236737789), (409, 49199785), (2045, 9839957), (6953, 2894105), (34765, 578821)]