20212686445

素因数分解:

$5^1\times 7^6\times {\mathrm{34361}}^1$

素因数の和:34408

約数の個数: 28

約数和(自身を含む): 28298550204

約数和(自身を除く): 8085863759

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 16807, 34361, 84035, 117649, 171805, 240527, 588245, 1202635, 1683689, 8418445, 11785823, 58929115, 82500761, 412503805, 577505327, 2887526635, 4042537289, 20212686445]

約数ペア:

[(1, 20212686445), (5, 4042537289), (7, 2887526635), (35, 577505327), (49, 412503805), (245, 82500761), (343, 58929115), (1715, 11785823), (2401, 8418445), (12005, 1683689), (16807, 1202635), (34361, 588245), (84035, 240527), (117649, 171805)]