20329953

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 33024000

約数和(自身を除く): 12694047

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 859, 1029, 1127, 2577, 3381, 6013, 7889, 18039, 19757, 23667, 42091, 59271, 126273, 138299, 294637, 414897, 883911, 968093, 2904279, 6776651, 20329953]

約数ペア:

[(1, 20329953), (3, 6776651), (7, 2904279), (21, 968093), (23, 883911), (49, 414897), (69, 294637), (147, 138299), (161, 126273), (343, 59271), (483, 42091), (859, 23667), (1029, 19757), (1127, 18039), (2577, 7889), (3381, 6013)]