20514872

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9901}}^1$

素因数の和:9951

約数の個数: 32

約数和(自身を含む): 45153120

約数和(自身を除く): 24638248

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9901, 19802, 39604, 69307, 79208, 138614, 277228, 366337, 554456, 732674, 1465348, 2564359, 2930696, 5128718, 10257436, 20514872]

約数ペア:

[(1, 20514872), (2, 10257436), (4, 5128718), (7, 2930696), (8, 2564359), (14, 1465348), (28, 732674), (37, 554456), (56, 366337), (74, 277228), (148, 138614), (259, 79208), (296, 69307), (518, 39604), (1036, 19802), (2072, 9901)]