20934956

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 46309536

約数和(自身を除く): 25374580

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 61, 68, 98, 103, 119, 122, 196, 206, 238, 244, 412, 427, 476, 721, 833, 854, 1037, 1442, 1666, 1708, 1751, 2074, 2884, 2989, 3332, 3502, 4148, 5047, 5978, 6283, 7004, 7259, 10094, 11956, 12257, 12566, 14518, 20188, 24514, 25132, 29036, 43981, 49028, 50813, 85799, 87962, 101626, 106811, 171598, 175924, 203252, 213622, 307867, 343196, 427244, 615734, 747677, 1231468, 1495354, 2990708, 5233739, 10467478, 20934956]

約数ペア:

[(1, 20934956), (2, 10467478), (4, 5233739), (7, 2990708), (14, 1495354), (17, 1231468), (28, 747677), (34, 615734), (49, 427244), (61, 343196), (68, 307867), (98, 213622), (103, 203252), (119, 175924), (122, 171598), (196, 106811), (206, 101626), (238, 87962), (244, 85799), (412, 50813), (427, 49028), (476, 43981), (721, 29036), (833, 25132), (854, 24514), (1037, 20188), (1442, 14518), (1666, 12566), (1708, 12257), (1751, 11956), (2074, 10094), (2884, 7259), (2989, 7004), (3332, 6283), (3502, 5978), (4148, 5047)]