20836755

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6343}}^1$

素因数の和:6427

約数の個数: 24

約数和(自身を含む): 36617568

約数和(自身を除く): 15780813

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6343, 19029, 31715, 57087, 95145, 285435, 463039, 1389117, 2315195, 4167351, 6945585, 20836755]

約数ペア:

[(1, 20836755), (3, 6945585), (5, 4167351), (9, 2315195), (15, 1389117), (45, 463039), (73, 285435), (219, 95145), (365, 57087), (657, 31715), (1095, 19029), (3285, 6343)]