20081288003

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{206519}}^1$

素因数の和:207034

約数の個数: 16

約数和(自身を含む): 23791104000

約数和(自身を除く): 3709815997

約数列:

[1, 7, 29, 203, 479, 3353, 13891, 97237, 206519, 1445633, 5989051, 41923357, 98922601, 692458207, 2868755429, 20081288003]

約数ペア:

[(1, 20081288003), (7, 2868755429), (29, 692458207), (203, 98922601), (479, 41923357), (3353, 5989051), (13891, 1445633), (97237, 206519)]