20424207

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 9642993

約数列:

[1, 3, 23, 29, 59, 69, 87, 173, 177, 519, 667, 1357, 1711, 2001, 3979, 4071, 5017, 5133, 10207, 11937, 15051, 30621, 39353, 115391, 118059, 234761, 296003, 346173, 704283, 888009, 6808069, 20424207]

約数ペア:

[(1, 20424207), (3, 6808069), (23, 888009), (29, 704283), (59, 346173), (69, 296003), (87, 234761), (173, 118059), (177, 115391), (519, 39353), (667, 30621), (1357, 15051), (1711, 11937), (2001, 10207), (3979, 5133), (4071, 5017)]