20739756

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 50934240

約数和(自身を除く): 30194484

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 61, 87, 116, 122, 174, 183, 244, 348, 366, 732, 977, 1769, 1954, 2931, 3538, 3908, 5307, 5862, 7076, 10614, 11724, 21228, 28333, 56666, 59597, 84999, 113332, 119194, 169998, 178791, 238388, 339996, 357582, 715164, 1728313, 3456626, 5184939, 6913252, 10369878, 20739756]

約数ペア:

[(1, 20739756), (2, 10369878), (3, 6913252), (4, 5184939), (6, 3456626), (12, 1728313), (29, 715164), (58, 357582), (61, 339996), (87, 238388), (116, 178791), (122, 169998), (174, 119194), (183, 113332), (244, 84999), (348, 59597), (366, 56666), (732, 28333), (977, 21228), (1769, 11724), (1954, 10614), (2931, 7076), (3538, 5862), (3908, 5307)]