20458786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6761}}^1$

素因数の和:6869

約数の個数: 16

約数和(自身を含む): 32863320

約数和(自身を除く): 12404534

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6761, 13522, 114937, 229874, 601729, 1203458, 10229393, 20458786]

約数ペア:

[(1, 20458786), (2, 10229393), (17, 1203458), (34, 601729), (89, 229874), (178, 114937), (1513, 13522), (3026, 6761)]