20767360

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 51046920

約数和(自身を除く): 30279560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 877, 1184, 1480, 1754, 2368, 2960, 3508, 4385, 4736, 5920, 7016, 8770, 11840, 14032, 17540, 23680, 28064, 32449, 35080, 56128, 64898, 70160, 112256, 129796, 140320, 162245, 259592, 280640, 324490, 519184, 561280, 648980, 1038368, 1297960, 2076736, 2595920, 4153472, 5191840, 10383680, 20767360]

約数ペア:

[(1, 20767360), (2, 10383680), (4, 5191840), (5, 4153472), (8, 2595920), (10, 2076736), (16, 1297960), (20, 1038368), (32, 648980), (37, 561280), (40, 519184), (64, 324490), (74, 280640), (80, 259592), (128, 162245), (148, 140320), (160, 129796), (185, 112256), (296, 70160), (320, 64898), (370, 56128), (592, 35080), (640, 32449), (740, 28064), (877, 23680), (1184, 17540), (1480, 14032), (1754, 11840), (2368, 8770), (2960, 7016), (3508, 5920), (4385, 4736)]