20160857885

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{31321}}^1$

素因数の和:31733

約数の個数: 32

約数和(自身を含む): 28252945152

約数和(自身を除く): 8092087267

約数列:

[1, 5, 7, 35, 53, 265, 347, 371, 1735, 1855, 2429, 12145, 18391, 31321, 91955, 128737, 156605, 219247, 643685, 1096235, 1660013, 8300065, 10868387, 11620091, 54341935, 58100455, 76078709, 380393545, 576024511, 2880122555, 4032171577, 20160857885]

約数ペア:

[(1, 20160857885), (5, 4032171577), (7, 2880122555), (35, 576024511), (53, 380393545), (265, 76078709), (347, 58100455), (371, 54341935), (1735, 11620091), (1855, 10868387), (2429, 8300065), (12145, 1660013), (18391, 1096235), (31321, 643685), (91955, 219247), (128737, 156605)]