20163690032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{138899}}^1$

素因数の和:139161

約数の個数: 40

約数和(自身を含む): 40165435200

約数和(自身を除く): 20001745168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 211, 344, 422, 688, 844, 1688, 3376, 9073, 18146, 36292, 72584, 138899, 145168, 277798, 555596, 1111192, 2222384, 5972657, 11945314, 23890628, 29307689, 47781256, 58615378, 95562512, 117230756, 234461512, 468923024, 1260230627, 2520461254, 5040922508, 10081845016, 20163690032]

約数ペア:

[(1, 20163690032), (2, 10081845016), (4, 5040922508), (8, 2520461254), (16, 1260230627), (43, 468923024), (86, 234461512), (172, 117230756), (211, 95562512), (344, 58615378), (422, 47781256), (688, 29307689), (844, 23890628), (1688, 11945314), (3376, 5972657), (9073, 2222384), (18146, 1111192), (36292, 555596), (72584, 277798), (138899, 145168)]