20345804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{691}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 37841328

約数和(自身を除く): 17495524

約数列:

[1, 2, 4, 17, 34, 68, 433, 691, 866, 1382, 1732, 2764, 7361, 11747, 14722, 23494, 29444, 46988, 299203, 598406, 1196812, 5086451, 10172902, 20345804]

約数ペア:

[(1, 20345804), (2, 10172902), (4, 5086451), (17, 1196812), (34, 598406), (68, 299203), (433, 46988), (691, 29444), (866, 23494), (1382, 14722), (1732, 11747), (2764, 7361)]