20599687745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3559}}^1\times {\mathrm{12721}}^1$

素因数の和:16305

約数の個数: 32

約数和(自身を含む): 30435095040

約数和(自身を除く): 9835407295

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 3559, 12721, 17795, 24913, 46267, 63605, 89047, 124565, 165373, 231335, 323869, 445235, 826865, 1157611, 1619345, 5788055, 45274039, 226370195, 316918273, 588562507, 1584591365, 2942812535, 4119937549, 20599687745]

約数ペア:

[(1, 20599687745), (5, 4119937549), (7, 2942812535), (13, 1584591365), (35, 588562507), (65, 316918273), (91, 226370195), (455, 45274039), (3559, 5788055), (12721, 1619345), (17795, 1157611), (24913, 826865), (46267, 445235), (63605, 323869), (89047, 231335), (124565, 165373)]