20297090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5042

約数の個数: 32

約数和(自身を含む): 40941504

約数和(自身を除く): 20644414

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 4987, 9974, 24935, 49870, 54857, 109714, 184519, 274285, 369038, 548570, 922595, 1845190, 2029709, 4059418, 10148545, 20297090]

約数ペア:

[(1, 20297090), (2, 10148545), (5, 4059418), (10, 2029709), (11, 1845190), (22, 922595), (37, 548570), (55, 369038), (74, 274285), (110, 184519), (185, 109714), (370, 54857), (407, 49870), (814, 24935), (2035, 9974), (4070, 4987)]