20654984

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1583}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23823736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1583, 1631, 1864, 3166, 3262, 6332, 6524, 11081, 12664, 13048, 22162, 44324, 88648, 368839, 737678, 1475356, 2581873, 2950712, 5163746, 10327492, 20654984]

約数ペア:

[(1, 20654984), (2, 10327492), (4, 5163746), (7, 2950712), (8, 2581873), (14, 1475356), (28, 737678), (56, 368839), (233, 88648), (466, 44324), (932, 22162), (1583, 13048), (1631, 12664), (1864, 11081), (3166, 6524), (3262, 6332)]