20784885310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{7487}}^1\times {\mathrm{39659}}^1$

素因数の和:47160

約数の個数: 32

約数和(自身を含む): 42764267520

約数和(自身を除く): 21979382210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 7487, 14974, 37435, 39659, 52409, 74870, 79318, 104818, 198295, 262045, 277613, 396590, 524090, 555226, 1388065, 2776130, 296926933, 593853866, 1484634665, 2078488531, 2969269330, 4156977062, 10392442655, 20784885310]

約数ペア:

[(1, 20784885310), (2, 10392442655), (5, 4156977062), (7, 2969269330), (10, 2078488531), (14, 1484634665), (35, 593853866), (70, 296926933), (7487, 2776130), (14974, 1388065), (37435, 555226), (39659, 524090), (52409, 396590), (74870, 277613), (79318, 262045), (104818, 198295)]