11720044

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 23512608

約数和(自身を除く): 11792564

約数列:

[1, 2, 4, 7, 14, 28, 641, 653, 1282, 1306, 2564, 2612, 4487, 4571, 8974, 9142, 17948, 18284, 418573, 837146, 1674292, 2930011, 5860022, 11720044]

約数ペア:

[(1, 11720044), (2, 5860022), (4, 2930011), (7, 1674292), (14, 837146), (28, 418573), (641, 18284), (653, 17948), (1282, 9142), (1306, 8974), (2564, 4571), (2612, 4487)]