20597824

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1347

約数の個数: 56

約数和(自身を含む): 46370240

約数和(自身を除く): 25772416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1303, 1976, 2606, 3952, 5212, 7904, 10424, 15808, 16939, 20848, 24757, 33878, 41696, 49514, 67756, 83392, 99028, 135512, 198056, 271024, 321841, 396112, 542048, 643682, 792224, 1084096, 1287364, 1584448, 2574728, 5149456, 10298912, 20597824]

約数ペア:

[(1, 20597824), (2, 10298912), (4, 5149456), (8, 2574728), (13, 1584448), (16, 1287364), (19, 1084096), (26, 792224), (32, 643682), (38, 542048), (52, 396112), (64, 321841), (76, 271024), (104, 198056), (152, 135512), (208, 99028), (247, 83392), (304, 67756), (416, 49514), (494, 41696), (608, 33878), (832, 24757), (988, 20848), (1216, 16939), (1303, 15808), (1976, 10424), (2606, 7904), (3952, 5212)]