20225073220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2137957}}^1$

素因数の和:2138020

約数の個数: 48

約数和(自身を含む): 47411356608

約数和(自身を除く): 27186283388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 2137957, 4275914, 8551828, 10689785, 21379570, 23517527, 42759140, 47035054, 91932151, 94070108, 117587635, 183864302, 235175270, 367728604, 459660755, 470350540, 919321510, 1011253661, 1838643020, 2022507322, 4045014644, 5056268305, 10112536610, 20225073220]

約数ペア:

[(1, 20225073220), (2, 10112536610), (4, 5056268305), (5, 4045014644), (10, 2022507322), (11, 1838643020), (20, 1011253661), (22, 919321510), (43, 470350540), (44, 459660755), (55, 367728604), (86, 235175270), (110, 183864302), (172, 117587635), (215, 94070108), (220, 91932151), (430, 47035054), (473, 42759140), (860, 23517527), (946, 21379570), (1892, 10689785), (2365, 8551828), (4730, 4275914), (9460, 2137957)]