20580776

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2677}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 39888810

約数和(自身を除く): 19308034

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2677, 3844, 5354, 7688, 10708, 21416, 82987, 165974, 331948, 663896, 2572597, 5145194, 10290388, 20580776]

約数ペア:

[(1, 20580776), (2, 10290388), (4, 5145194), (8, 2572597), (31, 663896), (62, 331948), (124, 165974), (248, 82987), (961, 21416), (1922, 10708), (2677, 7688), (3844, 5354)]