20218463768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{847237}}^1$

素因数の和:847419

約数の個数: 32

約数和(自身を含む): 40159081200

約数和(自身を除く): 19940617432

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 1256, 2983, 5966, 11932, 23864, 847237, 1694474, 3388948, 6777896, 16097503, 32195006, 64390012, 128780024, 133016209, 266032418, 532064836, 1064129672, 2527307971, 5054615942, 10109231884, 20218463768]

約数ペア:

[(1, 20218463768), (2, 10109231884), (4, 5054615942), (8, 2527307971), (19, 1064129672), (38, 532064836), (76, 266032418), (152, 133016209), (157, 128780024), (314, 64390012), (628, 32195006), (1256, 16097503), (2983, 6777896), (5966, 3388948), (11932, 1694474), (23864, 847237)]