20459418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6673}}^1$

素因数の和:6758

約数の個数: 32

約数和(自身を含む): 47412096

約数和(自身を除く): 26952678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6673, 13346, 20019, 40038, 46711, 93422, 140133, 280266, 487129, 974258, 1461387, 2922774, 3409903, 6819806, 10229709, 20459418]

約数ペア:

[(1, 20459418), (2, 10229709), (3, 6819806), (6, 3409903), (7, 2922774), (14, 1461387), (21, 974258), (42, 487129), (73, 280266), (146, 140133), (219, 93422), (438, 46711), (511, 40038), (1022, 20019), (1533, 13346), (3066, 6673)]