20205430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288649}}^1$

素因数の和:288663

約数の個数: 16

約数和(自身を含む): 41565600

約数和(自身を除く): 21360170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288649, 577298, 1443245, 2020543, 2886490, 4041086, 10102715, 20205430]

約数ペア:

[(1, 20205430), (2, 10102715), (5, 4041086), (7, 2886490), (10, 2020543), (14, 1443245), (35, 577298), (70, 288649)]