20205952

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12143}}^1$

素因数の和:12170

約数の個数: 32

約数和(自身を含む): 43354080

約数和(自身を除く): 23148128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12143, 24286, 48572, 97144, 157859, 194288, 315718, 388576, 631436, 777152, 1262872, 1554304, 2525744, 5051488, 10102976, 20205952]

約数ペア:

[(1, 20205952), (2, 10102976), (4, 5051488), (8, 2525744), (13, 1554304), (16, 1262872), (26, 777152), (32, 631436), (52, 388576), (64, 315718), (104, 194288), (128, 157859), (208, 97144), (416, 48572), (832, 24286), (1664, 12143)]