20216792470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288811321}}^1$

素因数の和:288811335

約数の個数: 16

約数和(自身を含む): 41588830368

約数和(自身を除く): 21372037898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288811321, 577622642, 1444056605, 2021679247, 2888113210, 4043358494, 10108396235, 20216792470]

約数ペア:

[(1, 20216792470), (2, 10108396235), (5, 4043358494), (7, 2888113210), (10, 2021679247), (14, 1444056605), (35, 577622642), (70, 288811321)]