20623215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44351}}^1$

素因数の和:44390

約数の個数: 16

約数和(自身を含む): 34062336

約数和(自身を除く): 13439121

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 44351, 133053, 221755, 665265, 1374881, 4124643, 6874405, 20623215]

約数ペア:

[(1, 20623215), (3, 6874405), (5, 4124643), (15, 1374881), (31, 665265), (93, 221755), (155, 133053), (465, 44351)]