20487984

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{38803}}^1$

素因数の和:38825

約数の個数: 40

約数和(自身を含む): 57740352

約数和(自身を除く): 37252368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 38803, 77606, 116409, 155212, 232818, 310424, 426833, 465636, 620848, 853666, 931272, 1280499, 1707332, 1862544, 2560998, 3414664, 5121996, 6829328, 10243992, 20487984]

約数ペア:

[(1, 20487984), (2, 10243992), (3, 6829328), (4, 5121996), (6, 3414664), (8, 2560998), (11, 1862544), (12, 1707332), (16, 1280499), (22, 931272), (24, 853666), (33, 620848), (44, 465636), (48, 426833), (66, 310424), (88, 232818), (132, 155212), (176, 116409), (264, 77606), (528, 38803)]