20123956468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1\times {\mathrm{50221}}^1$

素因数の和:51544

約数の個数: 48

約数和(自身を含む): 43941437568

約数和(自身を除く): 23817481100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1301, 2602, 5204, 9107, 14311, 18214, 28622, 36428, 50221, 57244, 100177, 100442, 200354, 200884, 351547, 400708, 552431, 703094, 1104862, 1406188, 2209724, 3867017, 7734034, 15468068, 65337521, 130675042, 261350084, 457362647, 718712731, 914725294, 1437425462, 1829450588, 2874850924, 5030989117, 10061978234, 20123956468]

約数ペア:

[(1, 20123956468), (2, 10061978234), (4, 5030989117), (7, 2874850924), (11, 1829450588), (14, 1437425462), (22, 914725294), (28, 718712731), (44, 457362647), (77, 261350084), (154, 130675042), (308, 65337521), (1301, 15468068), (2602, 7734034), (5204, 3867017), (9107, 2209724), (14311, 1406188), (18214, 1104862), (28622, 703094), (36428, 552431), (50221, 400708), (57244, 351547), (100177, 200884), (100442, 200354)]