20199275782

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{152791}}^1$

素因数の和:152897

約数の個数: 48

約数和(自身を含む): 37623502080

約数和(自身を除く): 17424226298

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 142, 266, 497, 931, 994, 1349, 1862, 2698, 3479, 6958, 9443, 18886, 66101, 132202, 152791, 305582, 1069537, 2139074, 2903029, 5806058, 7486759, 10848161, 14973518, 20321203, 21696322, 40642406, 75937127, 142248421, 151874254, 206115059, 284496842, 412230118, 531559889, 1063119778, 1442805413, 2885610826, 10099637891, 20199275782]

約数ペア:

[(1, 20199275782), (2, 10099637891), (7, 2885610826), (14, 1442805413), (19, 1063119778), (38, 531559889), (49, 412230118), (71, 284496842), (98, 206115059), (133, 151874254), (142, 142248421), (266, 75937127), (497, 40642406), (931, 21696322), (994, 20321203), (1349, 14973518), (1862, 10848161), (2698, 7486759), (3479, 5806058), (6958, 2903029), (9443, 2139074), (18886, 1069537), (66101, 305582), (132202, 152791)]