20973736

素因数分解:

$2^3\times 7^1\times {\mathrm{374531}}^1$

素因数の和:374544

約数の個数: 16

約数和(自身を含む): 44943840

約数和(自身を除く): 23970104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374531, 749062, 1498124, 2621717, 2996248, 5243434, 10486868, 20973736]

約数ペア:

[(1, 20973736), (2, 10486868), (4, 5243434), (7, 2996248), (8, 2621717), (14, 1498124), (28, 749062), (56, 374531)]