20171978266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{51683}}^1$

素因数の和:51966

約数の個数: 32

約数和(自身を含む): 33513559488

約数和(自身を除く): 13341581222

約数列:

[1, 2, 11, 22, 113, 157, 226, 314, 1243, 1727, 2486, 3454, 17741, 35482, 51683, 103366, 195151, 390302, 568513, 1137026, 5840179, 8114231, 11680358, 16228462, 64241969, 89256541, 128483938, 178513082, 916908103, 1833816206, 10085989133, 20171978266]

約数ペア:

[(1, 20171978266), (2, 10085989133), (11, 1833816206), (22, 916908103), (113, 178513082), (157, 128483938), (226, 89256541), (314, 64241969), (1243, 16228462), (1727, 11680358), (2486, 8114231), (3454, 5840179), (17741, 1137026), (35482, 568513), (51683, 390302), (103366, 195151)]