20804696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 46828800

約数和(自身を除く): 26024104

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 38, 44, 46, 76, 88, 92, 152, 184, 209, 253, 418, 437, 506, 541, 836, 874, 1012, 1082, 1672, 1748, 2024, 2164, 3496, 4328, 4807, 5951, 9614, 10279, 11902, 12443, 19228, 20558, 23804, 24886, 38456, 41116, 47608, 49772, 82232, 99544, 113069, 136873, 226138, 236417, 273746, 452276, 472834, 547492, 904552, 945668, 1094984, 1891336, 2600587, 5201174, 10402348, 20804696]

約数ペア:

[(1, 20804696), (2, 10402348), (4, 5201174), (8, 2600587), (11, 1891336), (19, 1094984), (22, 945668), (23, 904552), (38, 547492), (44, 472834), (46, 452276), (76, 273746), (88, 236417), (92, 226138), (152, 136873), (184, 113069), (209, 99544), (253, 82232), (418, 49772), (437, 47608), (506, 41116), (541, 38456), (836, 24886), (874, 23804), (1012, 20558), (1082, 19228), (1672, 12443), (1748, 11902), (2024, 10279), (2164, 9614), (3496, 5951), (4328, 4807)]