20129395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8901005

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 517, 599, 611, 715, 2585, 2995, 3055, 6589, 6721, 7787, 28153, 32945, 33605, 38935, 85657, 140765, 309683, 365989, 428285, 1548415, 1829945, 4025879, 20129395]

約数ペア:

[(1, 20129395), (5, 4025879), (11, 1829945), (13, 1548415), (47, 428285), (55, 365989), (65, 309683), (143, 140765), (235, 85657), (517, 38935), (599, 33605), (611, 32945), (715, 28153), (2585, 7787), (2995, 6721), (3055, 6589)]