20862004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 37376640

約数和(自身を除く): 16514636

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 617, 1234, 2468, 8453, 16906, 33812, 48743, 66019, 97486, 132038, 194972, 264076, 5215501, 10431002, 20862004]

約数ペア:

[(1, 20862004), (2, 10431002), (4, 5215501), (79, 264076), (107, 194972), (158, 132038), (214, 97486), (316, 66019), (428, 48743), (617, 33812), (1234, 16906), (2468, 8453)]