20873060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 48328896

約数和(自身を除く): 27455836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1867, 2236, 2795, 3734, 5590, 7468, 9335, 11180, 18670, 24271, 37340, 48542, 80281, 97084, 121355, 160562, 242710, 321124, 401405, 485420, 802810, 1043653, 1605620, 2087306, 4174612, 5218265, 10436530, 20873060]

約数ペア:

[(1, 20873060), (2, 10436530), (4, 5218265), (5, 4174612), (10, 2087306), (13, 1605620), (20, 1043653), (26, 802810), (43, 485420), (52, 401405), (65, 321124), (86, 242710), (130, 160562), (172, 121355), (215, 97084), (260, 80281), (430, 48542), (559, 37340), (860, 24271), (1118, 18670), (1867, 11180), (2236, 9335), (2795, 7468), (3734, 5590)]