20161697990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1147507}}^1$

素因数の和:1147772

約数の個数: 32

約数和(自身を含む): 41640770304

約数和(自身を除く): 21479072314

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 8785, 17570, 1147507, 2295014, 5737535, 8032549, 11475070, 16065098, 40162745, 80325490, 288024257, 576048514, 1440121285, 2016169799, 2880242570, 4032339598, 10080848995, 20161697990]

約数ペア:

[(1, 20161697990), (2, 10080848995), (5, 4032339598), (7, 2880242570), (10, 2016169799), (14, 1440121285), (35, 576048514), (70, 288024257), (251, 80325490), (502, 40162745), (1255, 16065098), (1757, 11475070), (2510, 8032549), (3514, 5737535), (8785, 2295014), (17570, 1147507)]