20371648

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 56

約数和(自身を含む): 46451520

約数和(自身を除く): 26079872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1523, 1672, 3046, 3344, 6092, 6688, 12184, 13376, 16753, 24368, 28937, 33506, 48736, 57874, 67012, 97472, 115748, 134024, 231496, 268048, 318307, 462992, 536096, 636614, 925984, 1072192, 1273228, 1851968, 2546456, 5092912, 10185824, 20371648]

約数ペア:

[(1, 20371648), (2, 10185824), (4, 5092912), (8, 2546456), (11, 1851968), (16, 1273228), (19, 1072192), (22, 925984), (32, 636614), (38, 536096), (44, 462992), (64, 318307), (76, 268048), (88, 231496), (152, 134024), (176, 115748), (209, 97472), (304, 67012), (352, 57874), (418, 48736), (608, 33506), (704, 28937), (836, 24368), (1216, 16753), (1523, 13376), (1672, 12184), (3046, 6688), (3344, 6092)]