20200704734

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{21101}}^1$

素因数の和:21249

約数の個数: 64

約数和(自身を含む): 37679731200

約数和(自身を除く): 17479026466

約数列:

[1, 2, 7, 14, 19, 38, 59, 61, 118, 122, 133, 266, 413, 427, 826, 854, 1121, 1159, 2242, 2318, 3599, 7198, 7847, 8113, 15694, 16226, 21101, 25193, 42202, 50386, 68381, 136762, 147707, 295414, 400919, 478667, 801838, 957334, 1244959, 1287161, 2489918, 2574322, 2806433, 5612866, 8714713, 9010127, 17429426, 18020254, 23654221, 24456059, 47308442, 48912118, 75942499, 151884998, 165579547, 171192413, 331159094, 342384826, 531597493, 1063194986, 1442907481, 2885814962, 10100352367, 20200704734]

約数ペア:

[(1, 20200704734), (2, 10100352367), (7, 2885814962), (14, 1442907481), (19, 1063194986), (38, 531597493), (59, 342384826), (61, 331159094), (118, 171192413), (122, 165579547), (133, 151884998), (266, 75942499), (413, 48912118), (427, 47308442), (826, 24456059), (854, 23654221), (1121, 18020254), (1159, 17429426), (2242, 9010127), (2318, 8714713), (3599, 5612866), (7198, 2806433), (7847, 2574322), (8113, 2489918), (15694, 1287161), (16226, 1244959), (21101, 957334), (25193, 801838), (42202, 478667), (50386, 400919), (68381, 295414), (136762, 147707)]