20996072

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19157}}^1$

素因数の和:19300

約数の個数: 16

約数和(自身を含む): 39657060

約数和(自身を除く): 18660988

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19157, 38314, 76628, 153256, 2624509, 5249018, 10498036, 20996072]

約数ペア:

[(1, 20996072), (2, 10498036), (4, 5249018), (8, 2624509), (137, 153256), (274, 76628), (548, 38314), (1096, 19157)]