20137496043

素因数分解:

$3^1\times 7^3\times {\mathrm{353}}^1\times {\mathrm{55439}}^1$

素因数の和:55816

約数の個数: 32

約数和(自身を含む): 31401216000

約数和(自身を除く): 11263719957

約数列:

[1, 3, 7, 21, 49, 147, 343, 353, 1029, 1059, 2471, 7413, 17297, 51891, 55439, 121079, 166317, 363237, 388073, 1164219, 2716511, 8149533, 19015577, 19569967, 57046731, 58709901, 136989769, 410969307, 958928383, 2876785149, 6712498681, 20137496043]

約数ペア:

[(1, 20137496043), (3, 6712498681), (7, 2876785149), (21, 958928383), (49, 410969307), (147, 136989769), (343, 58709901), (353, 57046731), (1029, 19569967), (1059, 19015577), (2471, 8149533), (7413, 2716511), (17297, 1164219), (51891, 388073), (55439, 363237), (121079, 166317)]