20771869712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{340121}}^1$

素因数の和:340487

約数の個数: 40

約数和(自身を含む): 44030833632

約数和(自身を除く): 23258963920

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 347, 694, 1388, 2776, 3817, 5552, 7634, 15268, 30536, 61072, 340121, 680242, 1360484, 2720968, 3741331, 5441936, 7482662, 14965324, 29930648, 59861296, 118021987, 236043974, 472087948, 944175896, 1298241857, 1888351792, 2596483714, 5192967428, 10385934856, 20771869712]

約数ペア:

[(1, 20771869712), (2, 10385934856), (4, 5192967428), (8, 2596483714), (11, 1888351792), (16, 1298241857), (22, 944175896), (44, 472087948), (88, 236043974), (176, 118021987), (347, 59861296), (694, 29930648), (1388, 14965324), (2776, 7482662), (3817, 5441936), (5552, 3741331), (7634, 2720968), (15268, 1360484), (30536, 680242), (61072, 340121)]