20789172

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19913}}^1$

素因数の和:19952

約数の個数: 36

約数和(自身を含む): 54365220

約数和(自身を除く): 33576048

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19913, 39826, 59739, 79652, 119478, 179217, 238956, 358434, 577477, 716868, 1154954, 1732431, 2309908, 3464862, 5197293, 6929724, 10394586, 20789172]

約数ペア:

[(1, 20789172), (2, 10394586), (3, 6929724), (4, 5197293), (6, 3464862), (9, 2309908), (12, 1732431), (18, 1154954), (29, 716868), (36, 577477), (58, 358434), (87, 238956), (116, 179217), (174, 119478), (261, 79652), (348, 59739), (522, 39826), (1044, 19913)]