20131878676

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{621431}}^1$

素因数の和:621544

約数の個数: 48

約数和(自身を含む): 43848241920

約数和(自身を除く): 23716363244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 623, 1157, 1246, 2314, 2492, 4628, 8099, 16198, 32396, 621431, 1242862, 2485724, 4350017, 8078603, 8700034, 16157206, 17400068, 32314412, 55307359, 56550221, 110614718, 113100442, 221229436, 226200884, 387151513, 718995667, 774303026, 1437991334, 1548606052, 2875982668, 5032969669, 10065939338, 20131878676]

約数ペア:

[(1, 20131878676), (2, 10065939338), (4, 5032969669), (7, 2875982668), (13, 1548606052), (14, 1437991334), (26, 774303026), (28, 718995667), (52, 387151513), (89, 226200884), (91, 221229436), (178, 113100442), (182, 110614718), (356, 56550221), (364, 55307359), (623, 32314412), (1157, 17400068), (1246, 16157206), (2314, 8700034), (2492, 8078603), (4628, 4350017), (8099, 2485724), (16198, 1242862), (32396, 621431)]