20713336

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1307}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 44576640

約数和(自身を除く): 23863304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1307, 1981, 2264, 2614, 3962, 5228, 7924, 9149, 10456, 15848, 18298, 36596, 73192, 369881, 739762, 1479524, 2589167, 2959048, 5178334, 10356668, 20713336]

約数ペア:

[(1, 20713336), (2, 10356668), (4, 5178334), (7, 2959048), (8, 2589167), (14, 1479524), (28, 739762), (56, 369881), (283, 73192), (566, 36596), (1132, 18298), (1307, 15848), (1981, 10456), (2264, 9149), (2614, 7924), (3962, 5228)]