20107515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78853}}^1$

素因数の和:78878

約数の個数: 16

約数和(自身を含む): 34064928

約数和(自身を除く): 13957413

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78853, 236559, 394265, 1182795, 1340501, 4021503, 6702505, 20107515]

約数ペア:

[(1, 20107515), (3, 6702505), (5, 4021503), (15, 1340501), (17, 1182795), (51, 394265), (85, 236559), (255, 78853)]