20589060464

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{472573}}^1$

素因数の和:472977

約数の個数: 40

約数和(自身を含む): 45707357280

約数和(自身を除く): 25118296816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 778, 1556, 2723, 3112, 5446, 6224, 10892, 21784, 43568, 472573, 945146, 1890292, 3308011, 3780584, 6616022, 7561168, 13232044, 26464088, 52928176, 183830897, 367661794, 735323588, 1286816279, 1470647176, 2573632558, 2941294352, 5147265116, 10294530232, 20589060464]

約数ペア:

[(1, 20589060464), (2, 10294530232), (4, 5147265116), (7, 2941294352), (8, 2573632558), (14, 1470647176), (16, 1286816279), (28, 735323588), (56, 367661794), (112, 183830897), (389, 52928176), (778, 26464088), (1556, 13232044), (2723, 7561168), (3112, 6616022), (5446, 3780584), (6224, 3308011), (10892, 1890292), (21784, 945146), (43568, 472573)]