20989896

素因数分解:

$2^3\times 3^1\times {\mathrm{167}}^1\times {\mathrm{5237}}^1$

素因数の和:5413

約数の個数: 32

約数和(自身を含む): 52799040

約数和(自身を除く): 31809144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 167, 334, 501, 668, 1002, 1336, 2004, 4008, 5237, 10474, 15711, 20948, 31422, 41896, 62844, 125688, 874579, 1749158, 2623737, 3498316, 5247474, 6996632, 10494948, 20989896]

約数ペア:

[(1, 20989896), (2, 10494948), (3, 6996632), (4, 5247474), (6, 3498316), (8, 2623737), (12, 1749158), (24, 874579), (167, 125688), (334, 62844), (501, 41896), (668, 31422), (1002, 20948), (1336, 15711), (2004, 10474), (4008, 5237)]