20789032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2339}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 22173368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2339, 4444, 4678, 8888, 9356, 18712, 25729, 51458, 102916, 205832, 236239, 472478, 944956, 1889912, 2598629, 5197258, 10394516, 20789032]

約数ペア:

[(1, 20789032), (2, 10394516), (4, 5197258), (8, 2598629), (11, 1889912), (22, 944956), (44, 472478), (88, 236239), (101, 205832), (202, 102916), (404, 51458), (808, 25729), (1111, 18712), (2222, 9356), (2339, 8888), (4444, 4678)]