20346868160

素因数分解:

$2^6\times 5^1\times {\mathrm{63583963}}^1$

素因数の和:63583980

約数の個数: 28

約数和(自身を含む): 48450980568

約数和(自身を除く): 28104112408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63583963, 127167926, 254335852, 317919815, 508671704, 635839630, 1017343408, 1271679260, 2034686816, 2543358520, 4069373632, 5086717040, 10173434080, 20346868160]

約数ペア:

[(1, 20346868160), (2, 10173434080), (4, 5086717040), (5, 4069373632), (8, 2543358520), (10, 2034686816), (16, 1271679260), (20, 1017343408), (32, 635839630), (40, 508671704), (64, 317919815), (80, 254335852), (160, 127167926), (320, 63583963)]