20218272004

素因数分解:

$2^2\times 7^2\times {\mathrm{509}}^1\times {\mathrm{202661}}^1$

素因数の和:203188

約数の個数: 36

約数和(自身を含む): 41239690380

約数和(自身を除く): 21021418376

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 509, 1018, 2036, 3563, 7126, 14252, 24941, 49882, 99764, 202661, 405322, 810644, 1418627, 2837254, 5674508, 9930389, 19860778, 39721556, 103154449, 206308898, 412617796, 722081143, 1444162286, 2888324572, 5054568001, 10109136002, 20218272004]

約数ペア:

[(1, 20218272004), (2, 10109136002), (4, 5054568001), (7, 2888324572), (14, 1444162286), (28, 722081143), (49, 412617796), (98, 206308898), (196, 103154449), (509, 39721556), (1018, 19860778), (2036, 9930389), (3563, 5674508), (7126, 2837254), (14252, 1418627), (24941, 810644), (49882, 405322), (99764, 202661)]