20728608

素因数分解:

$2^5\times 3^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 54686016

約数和(自身を除く): 33957408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 263, 526, 789, 821, 1052, 1578, 1642, 2104, 2463, 3156, 3284, 4208, 4926, 6312, 6568, 8416, 9852, 12624, 13136, 19704, 25248, 26272, 39408, 78816, 215923, 431846, 647769, 863692, 1295538, 1727384, 2591076, 3454768, 5182152, 6909536, 10364304, 20728608]

約数ペア:

[(1, 20728608), (2, 10364304), (3, 6909536), (4, 5182152), (6, 3454768), (8, 2591076), (12, 1727384), (16, 1295538), (24, 863692), (32, 647769), (48, 431846), (96, 215923), (263, 78816), (526, 39408), (789, 26272), (821, 25248), (1052, 19704), (1578, 13136), (1642, 12624), (2104, 9852), (2463, 8416), (3156, 6568), (3284, 6312), (4208, 4926)]