20821834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 36273600

約数和(自身を除く): 15451766

約数列:

[1, 2, 11, 19, 22, 38, 109, 209, 218, 418, 457, 914, 1199, 2071, 2398, 4142, 5027, 8683, 10054, 17366, 22781, 45562, 49813, 95513, 99626, 191026, 547943, 946447, 1095886, 1892894, 10410917, 20821834]

約数ペア:

[(1, 20821834), (2, 10410917), (11, 1892894), (19, 1095886), (22, 946447), (38, 547943), (109, 191026), (209, 99626), (218, 95513), (418, 49813), (457, 45562), (914, 22781), (1199, 17366), (2071, 10054), (2398, 8683), (4142, 5027)]