20767328

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10639}}^1$

素因数の和:10710

約数の個数: 24

約数和(自身を含む): 41559840

約数和(自身を除く): 20792512

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10639, 21278, 42556, 85112, 170224, 340448, 648979, 1297958, 2595916, 5191832, 10383664, 20767328]

約数ペア:

[(1, 20767328), (2, 10383664), (4, 5191832), (8, 2595916), (16, 1297958), (32, 648979), (61, 340448), (122, 170224), (244, 85112), (488, 42556), (976, 21278), (1952, 10639)]