20161856876

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{227797}}^1$

素因数の和:227946

約数の個数: 48

約数和(自身を含む): 42097070400

約数和(自身を除く): 21935213524

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 109, 116, 203, 218, 406, 436, 763, 812, 1526, 3052, 3161, 6322, 12644, 22127, 44254, 88508, 227797, 455594, 911188, 1594579, 3189158, 6378316, 6606113, 13212226, 24829873, 26424452, 46242791, 49659746, 92485582, 99319492, 173809111, 184971164, 347618222, 695236444, 720066317, 1440132634, 2880265268, 5040464219, 10080928438, 20161856876]

約数ペア:

[(1, 20161856876), (2, 10080928438), (4, 5040464219), (7, 2880265268), (14, 1440132634), (28, 720066317), (29, 695236444), (58, 347618222), (109, 184971164), (116, 173809111), (203, 99319492), (218, 92485582), (406, 49659746), (436, 46242791), (763, 26424452), (812, 24829873), (1526, 13212226), (3052, 6606113), (3161, 6378316), (6322, 3189158), (12644, 1594579), (22127, 911188), (44254, 455594), (88508, 227797)]