20802054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1285

約数の個数: 64

約数和(自身を含む): 52899840

約数和(自身を除く): 32097786

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1229, 1302, 2418, 2458, 2821, 3687, 5642, 7374, 8463, 8603, 15977, 16926, 17206, 25809, 31954, 38099, 47931, 51618, 76198, 95862, 111839, 114297, 223678, 228594, 266693, 335517, 495287, 533386, 671034, 800079, 990574, 1485861, 1600158, 2971722, 3467009, 6934018, 10401027, 20802054]

約数ペア:

[(1, 20802054), (2, 10401027), (3, 6934018), (6, 3467009), (7, 2971722), (13, 1600158), (14, 1485861), (21, 990574), (26, 800079), (31, 671034), (39, 533386), (42, 495287), (62, 335517), (78, 266693), (91, 228594), (93, 223678), (182, 114297), (186, 111839), (217, 95862), (273, 76198), (403, 51618), (434, 47931), (546, 38099), (651, 31954), (806, 25809), (1209, 17206), (1229, 16926), (1302, 15977), (2418, 8603), (2458, 8463), (2821, 7374), (3687, 5642)]