20820292844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1675273}}^1$

素因数の和:1675529

約数の個数: 24

約数和(自身を含む): 39402444480

約数和(自身を除く): 18582151636

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214, 12428, 1675273, 3350546, 6701092, 21778549, 43557098, 87114196, 400390247, 800780494, 1601560988, 5205073211, 10410146422, 20820292844]

約数ペア:

[(1, 20820292844), (2, 10410146422), (4, 5205073211), (13, 1601560988), (26, 800780494), (52, 400390247), (239, 87114196), (478, 43557098), (956, 21778549), (3107, 6701092), (6214, 3350546), (12428, 1675273)]