20385763648

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2508091}}^1$

素因数の和:2508230

約数の個数: 28

約数和(自身を含む): 40771543552

約数和(自身を除く): 20385779904

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 4064, 8128, 2508091, 5016182, 10032364, 20064728, 40129456, 80258912, 160517824, 318527557, 637055114, 1274110228, 2548220456, 5096440912, 10192881824, 20385763648]

約数ペア:

[(1, 20385763648), (2, 10192881824), (4, 5096440912), (8, 2548220456), (16, 1274110228), (32, 637055114), (64, 318527557), (127, 160517824), (254, 80258912), (508, 40129456), (1016, 20064728), (2032, 10032364), (4064, 5016182), (8128, 2508091)]