20198506

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1557

約数の個数: 16

約数和(自身を含む): 31045248

約数和(自身を除く): 10846742

約数列:

[1, 2, 71, 103, 142, 206, 1381, 2762, 7313, 14626, 98051, 142243, 196102, 284486, 10099253, 20198506]

約数ペア:

[(1, 20198506), (2, 10099253), (71, 284486), (103, 196102), (142, 142243), (206, 98051), (1381, 14626), (2762, 7313)]