20786248

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3469}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 44971200

約数和(自身を除く): 24184952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3469, 5992, 6938, 13876, 24283, 27752, 48566, 97132, 194264, 371183, 742366, 1484732, 2598281, 2969464, 5196562, 10393124, 20786248]

約数ペア:

[(1, 20786248), (2, 10393124), (4, 5196562), (7, 2969464), (8, 2598281), (14, 1484732), (28, 742366), (56, 371183), (107, 194264), (214, 97132), (428, 48566), (749, 27752), (856, 24283), (1498, 13876), (2996, 6938), (3469, 5992)]