20128218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1871}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 44209152

約数和(自身を除く): 24080934

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 163, 326, 489, 978, 1793, 1871, 3586, 3742, 5379, 5613, 10758, 11226, 20581, 41162, 61743, 123486, 304973, 609946, 914919, 1829838, 3354703, 6709406, 10064109, 20128218]

約数ペア:

[(1, 20128218), (2, 10064109), (3, 6709406), (6, 3354703), (11, 1829838), (22, 914919), (33, 609946), (66, 304973), (163, 123486), (326, 61743), (489, 41162), (978, 20581), (1793, 11226), (1871, 10758), (3586, 5613), (3742, 5379)]