20218846

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 30848400

約数和(自身を除く): 10629554

約数列:

[1, 2, 109, 163, 218, 326, 569, 1138, 17767, 35534, 62021, 92747, 124042, 185494, 10109423, 20218846]

約数ペア:

[(1, 20218846), (2, 10109423), (109, 185494), (163, 124042), (218, 92747), (326, 62021), (569, 35534), (1138, 17767)]