20577928

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{877}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 44251200

約数和(自身を除く): 23673272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 838, 877, 1676, 1754, 2933, 3352, 3508, 5866, 6139, 7016, 11732, 12278, 23464, 24556, 49112, 367463, 734926, 1469852, 2572241, 2939704, 5144482, 10288964, 20577928]

約数ペア:

[(1, 20577928), (2, 10288964), (4, 5144482), (7, 2939704), (8, 2572241), (14, 1469852), (28, 734926), (56, 367463), (419, 49112), (838, 24556), (877, 23464), (1676, 12278), (1754, 11732), (2933, 7016), (3352, 6139), (3508, 5866)]