20751904

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{15817}}^1$

素因数の和:15868

約数の個数: 24

約数和(自身を含む): 41854428

約数和(自身を除く): 21102524

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 15817, 31634, 63268, 126536, 253072, 506144, 648497, 1296994, 2593988, 5187976, 10375952, 20751904]

約数ペア:

[(1, 20751904), (2, 10375952), (4, 5187976), (8, 2593988), (16, 1296994), (32, 648497), (41, 506144), (82, 253072), (164, 126536), (328, 63268), (656, 31634), (1312, 15817)]