20794208

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 24202912

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1487, 1748, 2974, 3496, 5948, 6992, 11896, 13984, 23792, 28253, 34201, 47584, 56506, 68402, 113012, 136804, 226024, 273608, 452048, 547216, 649819, 904096, 1094432, 1299638, 2599276, 5198552, 10397104, 20794208]

約数ペア:

[(1, 20794208), (2, 10397104), (4, 5198552), (8, 2599276), (16, 1299638), (19, 1094432), (23, 904096), (32, 649819), (38, 547216), (46, 452048), (76, 273608), (92, 226024), (152, 136804), (184, 113012), (304, 68402), (368, 56506), (437, 47584), (608, 34201), (736, 28253), (874, 23792), (1487, 13984), (1748, 11896), (2974, 6992), (3496, 5948)]