20943904

素因数分解:

$2^5\times {\mathrm{53}}^2\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 36

約数和(自身を含む): 42206346

約数和(自身を除く): 21262442

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 233, 424, 466, 848, 932, 1696, 1864, 2809, 3728, 5618, 7456, 11236, 12349, 22472, 24698, 44944, 49396, 89888, 98792, 197584, 395168, 654497, 1308994, 2617988, 5235976, 10471952, 20943904]

約数ペア:

[(1, 20943904), (2, 10471952), (4, 5235976), (8, 2617988), (16, 1308994), (32, 654497), (53, 395168), (106, 197584), (212, 98792), (233, 89888), (424, 49396), (466, 44944), (848, 24698), (932, 22472), (1696, 12349), (1864, 11236), (2809, 7456), (3728, 5618)]