20123930110

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7830323}}^1$

素因数の和:7830587

約数の個数: 16

約数和(自身を含む): 36364024656

約数和(自身を除く): 16240094546

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 7830323, 15660646, 39151615, 78303230, 2012393011, 4024786022, 10061965055, 20123930110]

約数ペア:

[(1, 20123930110), (2, 10061965055), (5, 4024786022), (10, 2012393011), (257, 78303230), (514, 39151615), (1285, 15660646), (2570, 7830323)]