20178800390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2971841}}^1$

素因数の和:2971952

約数の個数: 32

約数和(自身を含む): 41938634304

約数和(自身を除く): 21759833914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 2971841, 5943682, 14859205, 20802887, 29718410, 41605774, 104014435, 208028870, 288268577, 576537154, 1441342885, 2017880039, 2882685770, 4035760078, 10089400195, 20178800390]

約数ペア:

[(1, 20178800390), (2, 10089400195), (5, 4035760078), (7, 2882685770), (10, 2017880039), (14, 1441342885), (35, 576537154), (70, 288268577), (97, 208028870), (194, 104014435), (485, 41605774), (679, 29718410), (970, 20802887), (1358, 14859205), (3395, 5943682), (6790, 2971841)]