20128556210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287550803}}^1$

素因数の和:287550817

約数の個数: 16

約数和(自身を含む): 41407315776

約数和(自身を除く): 21278759566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287550803, 575101606, 1437754015, 2012855621, 2875508030, 4025711242, 10064278105, 20128556210]

約数ペア:

[(1, 20128556210), (2, 10064278105), (5, 4025711242), (7, 2875508030), (10, 2012855621), (14, 1437754015), (35, 575101606), (70, 287550803)]