20631802

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3739}}^1$

素因数の和:3861

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 11681798

約数列:

[1, 2, 31, 62, 89, 178, 2759, 3739, 5518, 7478, 115909, 231818, 332771, 665542, 10315901, 20631802]

約数ペア:

[(1, 20631802), (2, 10315901), (31, 665542), (62, 332771), (89, 231818), (178, 115909), (2759, 7478), (3739, 5518)]