20831096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 25738504

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 131, 139, 143, 262, 278, 286, 524, 556, 572, 1048, 1112, 1144, 1441, 1529, 1703, 1807, 2882, 3058, 3406, 3614, 5764, 6116, 6812, 7228, 11528, 12232, 13624, 14456, 18209, 18733, 19877, 36418, 37466, 39754, 72836, 74932, 79508, 145672, 149864, 159016, 200299, 236717, 400598, 473434, 801196, 946868, 1602392, 1893736, 2603887, 5207774, 10415548, 20831096]

約数ペア:

[(1, 20831096), (2, 10415548), (4, 5207774), (8, 2603887), (11, 1893736), (13, 1602392), (22, 946868), (26, 801196), (44, 473434), (52, 400598), (88, 236717), (104, 200299), (131, 159016), (139, 149864), (143, 145672), (262, 79508), (278, 74932), (286, 72836), (524, 39754), (556, 37466), (572, 36418), (1048, 19877), (1112, 18733), (1144, 18209), (1441, 14456), (1529, 13624), (1703, 12232), (1807, 11528), (2882, 7228), (3058, 6812), (3406, 6116), (3614, 5764)]