20178800384

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{620657}}^1$

素因数の和:620800

約数の個数: 36

約数和(自身を含む): 40595998464

約数和(自身を除く): 20417198080

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 8128, 16256, 32512, 620657, 1241314, 2482628, 4965256, 9930512, 19861024, 39722048, 78823439, 79444096, 157646878, 158888192, 315293756, 630587512, 1261175024, 2522350048, 5044700096, 10089400192, 20178800384]

約数ペア:

[(1, 20178800384), (2, 10089400192), (4, 5044700096), (8, 2522350048), (16, 1261175024), (32, 630587512), (64, 315293756), (127, 158888192), (128, 157646878), (254, 79444096), (256, 78823439), (508, 39722048), (1016, 19861024), (2032, 9930512), (4064, 4965256), (8128, 2482628), (16256, 1241314), (32512, 620657)]