20030978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 34827840

約数和(自身を除く): 14796862

約数列:

[1, 2, 11, 19, 22, 38, 173, 209, 277, 346, 418, 554, 1903, 3047, 3287, 3806, 5263, 6094, 6574, 10526, 36157, 47921, 57893, 72314, 95842, 115786, 527131, 910499, 1054262, 1820998, 10015489, 20030978]

約数ペア:

[(1, 20030978), (2, 10015489), (11, 1820998), (19, 1054262), (22, 910499), (38, 527131), (173, 115786), (209, 95842), (277, 72314), (346, 57893), (418, 47921), (554, 36157), (1903, 10526), (3047, 6574), (3287, 6094), (3806, 5263)]