20939208

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{9803}}^1$

素因数の和:9901

約数の個数: 32

約数和(自身を含む): 52941600

約数和(自身を除く): 32002392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 9803, 19606, 29409, 39212, 58818, 78424, 117636, 235272, 872467, 1744934, 2617401, 3489868, 5234802, 6979736, 10469604, 20939208]

約数ペア:

[(1, 20939208), (2, 10469604), (3, 6979736), (4, 5234802), (6, 3489868), (8, 2617401), (12, 1744934), (24, 872467), (89, 235272), (178, 117636), (267, 78424), (356, 58818), (534, 39212), (712, 29409), (1068, 19606), (2136, 9803)]