20491899

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11597}}^1$

素因数の和:11650

約数の個数: 16

約数和(自身を含む): 29690880

約数和(自身を除く): 9198981

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11597, 34791, 220343, 359507, 661029, 1078521, 6830633, 20491899]

約数ペア:

[(1, 20491899), (3, 6830633), (19, 1078521), (31, 661029), (57, 359507), (93, 220343), (589, 34791), (1767, 11597)]