20856234

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13470

約数の個数: 32

約数和(自身を含む): 48963456

約数和(自身を除く): 28107222

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13421, 26842, 40263, 80526, 93947, 187894, 281841, 496577, 563682, 993154, 1489731, 2979462, 3476039, 6952078, 10428117, 20856234]

約数ペア:

[(1, 20856234), (2, 10428117), (3, 6952078), (6, 3476039), (7, 2979462), (14, 1489731), (21, 993154), (37, 563682), (42, 496577), (74, 281841), (111, 187894), (222, 93947), (259, 80526), (518, 40263), (777, 26842), (1554, 13421)]