20459415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80233}}^1$

素因数の和:80258

約数の個数: 16

約数和(自身を含む): 34661088

約数和(自身を除く): 14201673

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 80233, 240699, 401165, 1203495, 1363961, 4091883, 6819805, 20459415]

約数ペア:

[(1, 20459415), (3, 6819805), (5, 4091883), (15, 1363961), (17, 1203495), (51, 401165), (85, 240699), (255, 80233)]