20878376

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 20939224

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 116, 124, 232, 248, 899, 1798, 2903, 3596, 5806, 7192, 11612, 23224, 84187, 89993, 168374, 179986, 336748, 359972, 673496, 719944, 2609797, 5219594, 10439188, 20878376]

約数ペア:

[(1, 20878376), (2, 10439188), (4, 5219594), (8, 2609797), (29, 719944), (31, 673496), (58, 359972), (62, 336748), (116, 179986), (124, 168374), (232, 89993), (248, 84187), (899, 23224), (1798, 11612), (2903, 7192), (3596, 5806)]