20855426065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{43313}}^1$

素因数の和:43473

約数の個数: 32

約数和(自身を含む): 26944773120

約数和(自身を除く): 6089347055

約数列:

[1, 5, 23, 53, 79, 115, 265, 395, 1219, 1817, 4187, 6095, 9085, 20935, 43313, 96301, 216565, 481505, 996199, 2295589, 3421727, 4980995, 11477945, 17108635, 52798547, 78699721, 181351531, 263992735, 393498605, 906757655, 4171085213, 20855426065]

約数ペア:

[(1, 20855426065), (5, 4171085213), (23, 906757655), (53, 393498605), (79, 263992735), (115, 181351531), (265, 78699721), (395, 52798547), (1219, 17108635), (1817, 11477945), (4187, 4980995), (6095, 3421727), (9085, 2295589), (20935, 996199), (43313, 481505), (96301, 216565)]