20860136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2347}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 43109280

約数和(自身を除く): 22249144

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2347, 4444, 4694, 8888, 9388, 18776, 25817, 51634, 103268, 206536, 237047, 474094, 948188, 1896376, 2607517, 5215034, 10430068, 20860136]

約数ペア:

[(1, 20860136), (2, 10430068), (4, 5215034), (8, 2607517), (11, 1896376), (22, 948188), (44, 474094), (88, 237047), (101, 206536), (202, 103268), (404, 51634), (808, 25817), (1111, 18776), (2222, 9388), (2347, 8888), (4444, 4694)]