20417672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5659}}^1$

素因数の和:5717

約数の個数: 32

約数和(自身を含む): 42789600

約数和(自身を除く): 22371928

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5659, 11318, 22636, 45272, 62249, 124498, 232019, 248996, 464038, 497992, 928076, 1856152, 2552209, 5104418, 10208836, 20417672]

約数ペア:

[(1, 20417672), (2, 10208836), (4, 5104418), (8, 2552209), (11, 1856152), (22, 928076), (41, 497992), (44, 464038), (82, 248996), (88, 232019), (164, 124498), (328, 62249), (451, 45272), (902, 22636), (1804, 11318), (3608, 5659)]