20978908044

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{306763}}^1$

素因数の和:306950

約数の個数: 48

約数和(自身を含む): 50505624960

約数和(自身を除く): 29526716916

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 139, 164, 246, 278, 417, 492, 556, 834, 1668, 5699, 11398, 17097, 22796, 34194, 68388, 306763, 613526, 920289, 1227052, 1840578, 3681156, 12577283, 25154566, 37731849, 42640057, 50309132, 75463698, 85280114, 127920171, 150927396, 170560228, 255840342, 511680684, 1748242337, 3496484674, 5244727011, 6992969348, 10489454022, 20978908044]

約数ペア:

[(1, 20978908044), (2, 10489454022), (3, 6992969348), (4, 5244727011), (6, 3496484674), (12, 1748242337), (41, 511680684), (82, 255840342), (123, 170560228), (139, 150927396), (164, 127920171), (246, 85280114), (278, 75463698), (417, 50309132), (492, 42640057), (556, 37731849), (834, 25154566), (1668, 12577283), (5699, 3681156), (11398, 1840578), (17097, 1227052), (22796, 920289), (34194, 613526), (68388, 306763)]