20873391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 35059200

約数和(自身を除く): 14185809

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 763, 829, 1199, 2289, 2487, 3597, 5803, 8393, 9119, 17409, 25179, 27357, 63833, 90361, 191499, 271083, 632527, 993971, 1897581, 2981913, 6957797, 20873391]

約数ペア:

[(1, 20873391), (3, 6957797), (7, 2981913), (11, 1897581), (21, 993971), (33, 632527), (77, 271083), (109, 191499), (231, 90361), (327, 63833), (763, 27357), (829, 25179), (1199, 17409), (2289, 9119), (2487, 8393), (3597, 5803)]