20882895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:1975

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 16130865

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 165, 201, 335, 737, 1005, 1889, 2211, 3685, 5667, 9445, 11055, 20779, 28335, 62337, 103895, 126563, 311685, 379689, 632815, 1392193, 1898445, 4176579, 6960965, 20882895]

約数ペア:

[(1, 20882895), (3, 6960965), (5, 4176579), (11, 1898445), (15, 1392193), (33, 632815), (55, 379689), (67, 311685), (165, 126563), (201, 103895), (335, 62337), (737, 28335), (1005, 20779), (1889, 11055), (2211, 9445), (3685, 5667)]