20161231948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{342203}}^1$

素因数の和:342334

約数の個数: 48

約数和(自身を含む): 41852918016

約数和(自身を除く): 21691686068

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 412, 572, 1133, 1339, 2266, 2678, 4532, 5356, 14729, 29458, 58916, 342203, 684406, 1368812, 3764233, 4448639, 7528466, 8897278, 15056932, 17794556, 35246909, 48935029, 70493818, 97870058, 140987636, 195740116, 387715999, 458209817, 775431998, 916419634, 1550863996, 1832839268, 5040307987, 10080615974, 20161231948]

約数ペア:

[(1, 20161231948), (2, 10080615974), (4, 5040307987), (11, 1832839268), (13, 1550863996), (22, 916419634), (26, 775431998), (44, 458209817), (52, 387715999), (103, 195740116), (143, 140987636), (206, 97870058), (286, 70493818), (412, 48935029), (572, 35246909), (1133, 17794556), (1339, 15056932), (2266, 8897278), (2678, 7528466), (4532, 4448639), (5356, 3764233), (14729, 1368812), (29458, 684406), (58916, 342203)]