201920312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 437702400

約数和(自身を除く): 235782088

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 67, 88, 92, 134, 184, 253, 268, 506, 536, 737, 1012, 1474, 1489, 1541, 2024, 2948, 2978, 3082, 5896, 5956, 6164, 11912, 12328, 16379, 16951, 32758, 33902, 34247, 65516, 67804, 68494, 99763, 131032, 135608, 136988, 199526, 273976, 376717, 399052, 753434, 798104, 1097393, 1506868, 2194786, 2294549, 3013736, 4389572, 4589098, 8779144, 9178196, 18356392, 25240039, 50480078, 100960156, 201920312]

約数ペア:

[(1, 201920312), (2, 100960156), (4, 50480078), (8, 25240039), (11, 18356392), (22, 9178196), (23, 8779144), (44, 4589098), (46, 4389572), (67, 3013736), (88, 2294549), (92, 2194786), (134, 1506868), (184, 1097393), (253, 798104), (268, 753434), (506, 399052), (536, 376717), (737, 273976), (1012, 199526), (1474, 136988), (1489, 135608), (1541, 131032), (2024, 99763), (2948, 68494), (2978, 67804), (3082, 65516), (5896, 34247), (5956, 33902), (6164, 32758), (11912, 16951), (12328, 16379)]