20562164

素因数分解:

$2^2\times 7^4\times {\mathrm{2141}}^1$

素因数の和:2173

約数の個数: 30

約数和(自身を含む): 41998194

約数和(自身を除く): 21436030

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2141, 2401, 4282, 4802, 8564, 9604, 14987, 29974, 59948, 104909, 209818, 419636, 734363, 1468726, 2937452, 5140541, 10281082, 20562164]

約数ペア:

[(1, 20562164), (2, 10281082), (4, 5140541), (7, 2937452), (14, 1468726), (28, 734363), (49, 419636), (98, 209818), (196, 104909), (343, 59948), (686, 29974), (1372, 14987), (2141, 9604), (2401, 8564), (4282, 4802)]