20163853712

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{479}}^1\times {\mathrm{16141}}^1$

素因数の和:16791

約数の個数: 40

約数和(自身を含む): 39391645440

約数和(自身を除く): 19227791728

約数列:

[1, 2, 4, 8, 16, 163, 326, 479, 652, 958, 1304, 1916, 2608, 3832, 7664, 16141, 32282, 64564, 78077, 129128, 156154, 258256, 312308, 624616, 1249232, 2630983, 5261966, 7731539, 10523932, 15463078, 21047864, 30926156, 42095728, 61852312, 123704624, 1260240857, 2520481714, 5040963428, 10081926856, 20163853712]

約数ペア:

[(1, 20163853712), (2, 10081926856), (4, 5040963428), (8, 2520481714), (16, 1260240857), (163, 123704624), (326, 61852312), (479, 42095728), (652, 30926156), (958, 21047864), (1304, 15463078), (1916, 10523932), (2608, 7731539), (3832, 5261966), (7664, 2630983), (16141, 1249232), (32282, 624616), (64564, 312308), (78077, 258256), (129128, 156154)]