16720912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4231}}^1$

素因数の和:4271

約数の個数: 40

約数和(自身を含む): 36733760

約数和(自身を除く): 20012848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4231, 8462, 16924, 33848, 55003, 67696, 80389, 110006, 160778, 220012, 321556, 440024, 643112, 880048, 1045057, 1286224, 2090114, 4180228, 8360456, 16720912]

約数ペア:

[(1, 16720912), (2, 8360456), (4, 4180228), (8, 2090114), (13, 1286224), (16, 1045057), (19, 880048), (26, 643112), (38, 440024), (52, 321556), (76, 220012), (104, 160778), (152, 110006), (208, 80389), (247, 67696), (304, 55003), (494, 33848), (988, 16924), (1976, 8462), (3952, 4231)]