20771395

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4686

約数の個数: 16

約数和(自身を含む): 26622720

約数和(自身を除く): 5851325

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 4621, 23105, 134009, 143251, 670045, 716255, 4154279, 20771395]

約数ペア:

[(1, 20771395), (5, 4154279), (29, 716255), (31, 670045), (145, 143251), (155, 134009), (899, 23105), (4495, 4621)]