20131991048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{473293}}^1$

素因数の和:473721

約数の個数: 32

約数和(自身を含む): 40750613400

約数和(自身を除く): 20618622352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5317, 10634, 21268, 42536, 473293, 946586, 1893172, 3786344, 6152809, 12305618, 24611236, 49222472, 193576837, 387153674, 774307348, 1548614696, 2516498881, 5032997762, 10065995524, 20131991048]

約数ペア:

[(1, 20131991048), (2, 10065995524), (4, 5032997762), (8, 2516498881), (13, 1548614696), (26, 774307348), (52, 387153674), (104, 193576837), (409, 49222472), (818, 24611236), (1636, 12305618), (3272, 6152809), (5317, 3786344), (10634, 1893172), (21268, 946586), (42536, 473293)]