20746684

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11059}}^1$

素因数の和:11137

約数の個数: 24

約数和(自身を含む): 42116480

約数和(自身を除く): 21369796

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11059, 22118, 44236, 77413, 154826, 309652, 740953, 1481906, 2963812, 5186671, 10373342, 20746684]

約数ペア:

[(1, 20746684), (2, 10373342), (4, 5186671), (7, 2963812), (14, 1481906), (28, 740953), (67, 309652), (134, 154826), (268, 77413), (469, 44236), (938, 22118), (1876, 11059)]