20513904

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{14737}}^1$

素因数の和:14777

約数の個数: 40

約数和(自身を含む): 54825360

約数和(自身を除く): 34311456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 14737, 29474, 44211, 58948, 88422, 117896, 176844, 235792, 353688, 427373, 707376, 854746, 1282119, 1709492, 2564238, 3418984, 5128476, 6837968, 10256952, 20513904]

約数ペア:

[(1, 20513904), (2, 10256952), (3, 6837968), (4, 5128476), (6, 3418984), (8, 2564238), (12, 1709492), (16, 1282119), (24, 854746), (29, 707376), (48, 427373), (58, 353688), (87, 235792), (116, 176844), (174, 117896), (232, 88422), (348, 58948), (464, 44211), (696, 29474), (1392, 14737)]