20797696

素因数分解:

$2^8\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:746

約数の個数: 36

約数和(自身を含む): 41887692

約数和(自身を除く): 21089996

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 548, 593, 1096, 1186, 2192, 2372, 4384, 4744, 8768, 9488, 17536, 18976, 35072, 37952, 75904, 81241, 151808, 162482, 324964, 649928, 1299856, 2599712, 5199424, 10398848, 20797696]

約数ペア:

[(1, 20797696), (2, 10398848), (4, 5199424), (8, 2599712), (16, 1299856), (32, 649928), (64, 324964), (128, 162482), (137, 151808), (256, 81241), (274, 75904), (548, 37952), (593, 35072), (1096, 18976), (1186, 17536), (2192, 9488), (2372, 8768), (4384, 4744)]