20218887921

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{3557}}^1\times {\mathrm{61121}}^1$

素因数の和:64712

約数の個数: 16

約数和(自身を含む): 27836425728

約数和(自身を除く): 7617537807

約数列:

[1, 3, 31, 93, 3557, 10671, 61121, 110267, 183363, 330801, 1894751, 5684253, 217407397, 652222191, 6739629307, 20218887921]

約数ペア:

[(1, 20218887921), (3, 6739629307), (31, 652222191), (93, 217407397), (3557, 5684253), (10671, 1894751), (61121, 330801), (110267, 183363)]