20269815

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43591}}^1$

素因数の和:43630

約数の個数: 16

約数和(自身を含む): 33478656

約数和(自身を除く): 13208841

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43591, 130773, 217955, 653865, 1351321, 4053963, 6756605, 20269815]

約数ペア:

[(1, 20269815), (3, 6756605), (5, 4053963), (15, 1351321), (31, 653865), (93, 217955), (155, 130773), (465, 43591)]