20679078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1957

約数の個数: 48

約数和(自身を含む): 49436784

約数和(自身を除く): 28757706

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 294, 518, 777, 1554, 1813, 1901, 3626, 3802, 5439, 5703, 10878, 11406, 13307, 26614, 39921, 70337, 79842, 93149, 140674, 186298, 211011, 279447, 422022, 492359, 558894, 984718, 1477077, 2954154, 3446513, 6893026, 10339539, 20679078]

約数ペア:

[(1, 20679078), (2, 10339539), (3, 6893026), (6, 3446513), (7, 2954154), (14, 1477077), (21, 984718), (37, 558894), (42, 492359), (49, 422022), (74, 279447), (98, 211011), (111, 186298), (147, 140674), (222, 93149), (259, 79842), (294, 70337), (518, 39921), (777, 26614), (1554, 13307), (1813, 11406), (1901, 10878), (3626, 5703), (3802, 5439)]