20953437

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5147}}^1$

素因数の和:5232

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8699043

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 5147, 15441, 118381, 303673, 355143, 911019, 6984479, 20953437]

約数ペア:

[(1, 20953437), (3, 6984479), (23, 911019), (59, 355143), (69, 303673), (177, 118381), (1357, 15441), (4071, 5147)]