20300880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 63370944

約数和(自身を除く): 43070064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 337, 502, 674, 753, 1004, 1011, 1255, 1348, 1506, 1685, 2008, 2022, 2510, 2696, 3012, 3370, 3765, 4016, 4044, 5020, 5055, 5392, 6024, 6740, 7530, 8088, 10040, 10110, 12048, 13480, 15060, 16176, 20080, 20220, 26960, 30120, 40440, 60240, 80880, 84587, 169174, 253761, 338348, 422935, 507522, 676696, 845870, 1015044, 1268805, 1353392, 1691740, 2030088, 2537610, 3383480, 4060176, 5075220, 6766960, 10150440, 20300880]

約数ペア:

[(1, 20300880), (2, 10150440), (3, 6766960), (4, 5075220), (5, 4060176), (6, 3383480), (8, 2537610), (10, 2030088), (12, 1691740), (15, 1353392), (16, 1268805), (20, 1015044), (24, 845870), (30, 676696), (40, 507522), (48, 422935), (60, 338348), (80, 253761), (120, 169174), (240, 84587), (251, 80880), (337, 60240), (502, 40440), (674, 30120), (753, 26960), (1004, 20220), (1011, 20080), (1255, 16176), (1348, 15060), (1506, 13480), (1685, 12048), (2008, 10110), (2022, 10040), (2510, 8088), (2696, 7530), (3012, 6740), (3370, 6024), (3765, 5392), (4016, 5055), (4044, 5020)]