20975715

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24533}}^1$

素因数の和:24563

約数の個数: 24

約数和(自身を含む): 38273040

約数和(自身を除く): 17297325

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 24533, 73599, 122665, 220797, 367995, 466127, 1103985, 1398381, 2330635, 4195143, 6991905, 20975715]

約数ペア:

[(1, 20975715), (3, 6991905), (5, 4195143), (9, 2330635), (15, 1398381), (19, 1103985), (45, 466127), (57, 367995), (95, 220797), (171, 122665), (285, 73599), (855, 24533)]