20281430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156011}}^1$

素因数の和:156031

約数の個数: 16

約数和(自身を含む): 39315024

約数和(自身を除く): 19033594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 156011, 312022, 780055, 1560110, 2028143, 4056286, 10140715, 20281430]

約数ペア:

[(1, 20281430), (2, 10140715), (5, 4056286), (10, 2028143), (13, 1560110), (26, 780055), (65, 312022), (130, 156011)]