201616488020

素因数分解:

$2^2\times 5^1\times {\mathrm{10247}}^1\times {\mathrm{983783}}^1$

素因数の和:994039

約数の個数: 24

約数和(自身を含む): 423436374144

約数和(自身を除く): 221819886124

約数列:

[1, 2, 4, 5, 10, 20, 10247, 20494, 40988, 51235, 102470, 204940, 983783, 1967566, 3935132, 4918915, 9837830, 19675660, 10080824401, 20161648802, 40323297604, 50404122005, 100808244010, 201616488020]

約数ペア:

[(1, 201616488020), (2, 100808244010), (4, 50404122005), (5, 40323297604), (10, 20161648802), (20, 10080824401), (10247, 19675660), (20494, 9837830), (40988, 4918915), (51235, 3935132), (102470, 1967566), (204940, 983783)]