20973393

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19583}}^1$

素因数の和:19613

約数の個数: 24

約数和(自身を含む): 36661248

約数和(自身を除く): 15687855

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19583, 58749, 137081, 176247, 332911, 411243, 998733, 1233729, 2330377, 2996199, 6991131, 20973393]

約数ペア:

[(1, 20973393), (3, 6991131), (7, 2996199), (9, 2330377), (17, 1233729), (21, 998733), (51, 411243), (63, 332911), (119, 176247), (153, 137081), (357, 58749), (1071, 19583)]