20655294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2389}}^1$

素因数の和:2536

約数の個数: 32

約数和(自身を含む): 45429120

約数和(自身を除く): 24773826

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2389, 2882, 4323, 4778, 7167, 8646, 14334, 26279, 52558, 78837, 157674, 312959, 625918, 938877, 1877754, 3442549, 6885098, 10327647, 20655294]

約数ペア:

[(1, 20655294), (2, 10327647), (3, 6885098), (6, 3442549), (11, 1877754), (22, 938877), (33, 625918), (66, 312959), (131, 157674), (262, 78837), (393, 52558), (786, 26279), (1441, 14334), (2389, 8646), (2882, 7167), (4323, 4778)]