20105729523

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{31039}}^1$

素因数の和:31789

約数の個数: 40

約数和(自身を含む): 32811018240

約数和(自身を除く): 12705288717

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 727, 891, 2181, 6543, 7997, 19629, 23991, 31039, 58887, 71973, 93117, 215919, 279351, 341429, 647757, 838053, 1024287, 2514159, 3072861, 9218583, 22565353, 27655749, 67696059, 203088177, 248218883, 609264531, 744656649, 1827793593, 2233969947, 6701909841, 20105729523]

約数ペア:

[(1, 20105729523), (3, 6701909841), (9, 2233969947), (11, 1827793593), (27, 744656649), (33, 609264531), (81, 248218883), (99, 203088177), (297, 67696059), (727, 27655749), (891, 22565353), (2181, 9218583), (6543, 3072861), (7997, 2514159), (19629, 1024287), (23991, 838053), (31039, 647757), (58887, 341429), (71973, 279351), (93117, 215919)]