20979330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1669}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 50500800

約数和(自身を除く): 29521470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 419, 838, 1257, 1669, 2095, 2514, 3338, 4190, 5007, 6285, 8345, 10014, 12570, 16690, 25035, 50070, 699311, 1398622, 2097933, 3496555, 4195866, 6993110, 10489665, 20979330]

約数ペア:

[(1, 20979330), (2, 10489665), (3, 6993110), (5, 4195866), (6, 3496555), (10, 2097933), (15, 1398622), (30, 699311), (419, 50070), (838, 25035), (1257, 16690), (1669, 12570), (2095, 10014), (2514, 8345), (3338, 6285), (4190, 5007)]