20201040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28057}}^1$

素因数の和:28076

約数の個数: 60

約数和(自身を含む): 67844244

約数和(自身を除く): 47643204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28057, 56114, 84171, 112228, 140285, 168342, 224456, 252513, 280570, 336684, 420855, 448912, 505026, 561140, 673368, 841710, 1010052, 1122280, 1262565, 1346736, 1683420, 2020104, 2244560, 2525130, 3366840, 4040208, 5050260, 6733680, 10100520, 20201040]

約数ペア:

[(1, 20201040), (2, 10100520), (3, 6733680), (4, 5050260), (5, 4040208), (6, 3366840), (8, 2525130), (9, 2244560), (10, 2020104), (12, 1683420), (15, 1346736), (16, 1262565), (18, 1122280), (20, 1010052), (24, 841710), (30, 673368), (36, 561140), (40, 505026), (45, 448912), (48, 420855), (60, 336684), (72, 280570), (80, 252513), (90, 224456), (120, 168342), (144, 140285), (180, 112228), (240, 84171), (360, 56114), (720, 28057)]