20170469480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72037391}}^1$

素因数の和:72037409

約数の個数: 32

約数和(自身を含む): 51866922240

約数和(自身を除く): 31696452760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72037391, 144074782, 288149564, 360186955, 504261737, 576299128, 720373910, 1008523474, 1440747820, 2017046948, 2521308685, 2881495640, 4034093896, 5042617370, 10085234740, 20170469480]

約数ペア:

[(1, 20170469480), (2, 10085234740), (4, 5042617370), (5, 4034093896), (7, 2881495640), (8, 2521308685), (10, 2017046948), (14, 1440747820), (20, 1008523474), (28, 720373910), (35, 576299128), (40, 504261737), (56, 360186955), (70, 288149564), (140, 144074782), (280, 72037391)]