20808370816

素因数分解:

$2^7\times {\mathrm{3491}}^1\times {\mathrm{46567}}^1$

素因数の和:50072

約数の個数: 32

約数和(自身を含む): 41466941280

約数和(自身を除く): 20658570464

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 3491, 6982, 13964, 27928, 46567, 55856, 93134, 111712, 186268, 223424, 372536, 446848, 745072, 1490144, 2980288, 5960576, 162565397, 325130794, 650261588, 1300523176, 2601046352, 5202092704, 10404185408, 20808370816]

約数ペア:

[(1, 20808370816), (2, 10404185408), (4, 5202092704), (8, 2601046352), (16, 1300523176), (32, 650261588), (64, 325130794), (128, 162565397), (3491, 5960576), (6982, 2980288), (13964, 1490144), (27928, 745072), (46567, 446848), (55856, 372536), (93134, 223424), (111712, 186268)]