20807846735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{6263}}^1$

素因数の和:7007

約数の個数: 32

約数和(自身を含む): 27276963840

約数和(自身を除く): 6469117105

約数列:

[1, 5, 13, 65, 79, 395, 647, 1027, 3235, 5135, 6263, 8411, 31315, 42055, 51113, 81419, 255565, 407095, 494777, 664469, 2473885, 3322345, 4052161, 6432101, 20260805, 32160505, 52678093, 263390465, 320120719, 1600603595, 4161569347, 20807846735]

約数ペア:

[(1, 20807846735), (5, 4161569347), (13, 1600603595), (65, 320120719), (79, 263390465), (395, 52678093), (647, 32160505), (1027, 20260805), (3235, 6432101), (5135, 4052161), (6263, 3322345), (8411, 2473885), (31315, 664469), (42055, 494777), (51113, 407095), (81419, 255565)]