20920752

素因数分解:

$2^4\times 3^2\times {\mathrm{145283}}^1$

素因数の和:145297

約数の個数: 30

約数和(自身を含む): 58549452

約数和(自身を除く): 37628700

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145283, 290566, 435849, 581132, 871698, 1162264, 1307547, 1743396, 2324528, 2615094, 3486792, 5230188, 6973584, 10460376, 20920752]

約数ペア:

[(1, 20920752), (2, 10460376), (3, 6973584), (4, 5230188), (6, 3486792), (8, 2615094), (9, 2324528), (12, 1743396), (16, 1307547), (18, 1162264), (24, 871698), (36, 581132), (48, 435849), (72, 290566), (144, 145283)]