20027391

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 27203808

約数和(自身を除く): 7176417

約数列:

[1, 3, 101, 157, 303, 421, 471, 1263, 15857, 42521, 47571, 66097, 127563, 198291, 6675797, 20027391]

約数ペア:

[(1, 20027391), (3, 6675797), (101, 198291), (157, 127563), (303, 66097), (421, 47571), (471, 42521), (1263, 15857)]