20147998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8707}}^1$

素因数の和:8811

約数の個数: 16

約数和(自身を含む): 32916240

約数和(自身を除く): 12768242

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8707, 17414, 113191, 226382, 774923, 1549846, 10073999, 20147998]

約数ペア:

[(1, 20147998), (2, 10073999), (13, 1549846), (26, 774923), (89, 226382), (178, 113191), (1157, 17414), (2314, 8707)]