20739944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136447}}^1$

素因数の和:136472

約数の個数: 16

約数和(自身を含む): 40934400

約数和(自身を除く): 20194456

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136447, 272894, 545788, 1091576, 2592493, 5184986, 10369972, 20739944]

約数ペア:

[(1, 20739944), (2, 10369972), (4, 5184986), (8, 2592493), (19, 1091576), (38, 545788), (76, 272894), (152, 136447)]