20786070508

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1112983}}^1$

素因数の和:1113046

約数の個数: 48

約数和(自身を含む): 44875514880

約数和(自身を除く): 24089444372

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 92, 116, 161, 203, 322, 406, 644, 667, 812, 1334, 2668, 4669, 9338, 18676, 1112983, 2225966, 4451932, 7790881, 15581762, 25598609, 31163524, 32276507, 51197218, 64553014, 102394436, 129106028, 179190263, 225935549, 358380526, 451871098, 716761052, 742359661, 903742196, 1484719322, 2969438644, 5196517627, 10393035254, 20786070508]

約数ペア:

[(1, 20786070508), (2, 10393035254), (4, 5196517627), (7, 2969438644), (14, 1484719322), (23, 903742196), (28, 742359661), (29, 716761052), (46, 451871098), (58, 358380526), (92, 225935549), (116, 179190263), (161, 129106028), (203, 102394436), (322, 64553014), (406, 51197218), (644, 32276507), (667, 31163524), (812, 25598609), (1334, 15581762), (2668, 7790881), (4669, 4451932), (9338, 2225966), (18676, 1112983)]