20561661512

素因数分解:

$2^3\times 7^1\times {\mathrm{8923}}^1\times {\mathrm{41149}}^1$

素因数の和:50085

約数の個数: 32

約数和(自身を含む): 44066712000

約数和(自身を除く): 23505050488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 8923, 17846, 35692, 41149, 62461, 71384, 82298, 124922, 164596, 249844, 288043, 329192, 499688, 576086, 1152172, 2304344, 367172527, 734345054, 1468690108, 2570207689, 2937380216, 5140415378, 10280830756, 20561661512]

約数ペア:

[(1, 20561661512), (2, 10280830756), (4, 5140415378), (7, 2937380216), (8, 2570207689), (14, 1468690108), (28, 734345054), (56, 367172527), (8923, 2304344), (17846, 1152172), (35692, 576086), (41149, 499688), (62461, 329192), (71384, 288043), (82298, 249844), (124922, 164596)]