20528904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{77761}}^1$

素因数の和:77781

約数の個数: 32

約数和(自身を含む): 55988640

約数和(自身を除く): 35459736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 77761, 155522, 233283, 311044, 466566, 622088, 855371, 933132, 1710742, 1866264, 2566113, 3421484, 5132226, 6842968, 10264452, 20528904]

約数ペア:

[(1, 20528904), (2, 10264452), (3, 6842968), (4, 5132226), (6, 3421484), (8, 2566113), (11, 1866264), (12, 1710742), (22, 933132), (24, 855371), (33, 622088), (44, 466566), (66, 311044), (88, 233283), (132, 155522), (264, 77761)]