20731097163

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9133}}^1\times {\mathrm{5689}}^1$

素因数の和:14851

約数の個数: 32

約数和(自身を含む): 33262374400

約数和(自身を除く): 12531277237

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5689, 9133, 17067, 27399, 39823, 63931, 108091, 119469, 173527, 191793, 324273, 520581, 756637, 1214689, 2269911, 3644067, 51957637, 155872911, 363703459, 987195103, 1091110377, 2961585309, 6910365721, 20731097163]

約数ペア:

[(1, 20731097163), (3, 6910365721), (7, 2961585309), (19, 1091110377), (21, 987195103), (57, 363703459), (133, 155872911), (399, 51957637), (5689, 3644067), (9133, 2269911), (17067, 1214689), (27399, 756637), (39823, 520581), (63931, 324273), (108091, 191793), (119469, 173527)]