20581488

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{3041}}^1$

素因数の和:3102

約数の個数: 60

約数和(自身を含む): 58844448

約数和(自身を除く): 38262960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 752, 846, 1128, 1692, 2256, 3041, 3384, 6082, 6768, 9123, 12164, 18246, 24328, 27369, 36492, 48656, 54738, 72984, 109476, 142927, 145968, 218952, 285854, 428781, 437904, 571708, 857562, 1143416, 1286343, 1715124, 2286832, 2572686, 3430248, 5145372, 6860496, 10290744, 20581488]

約数ペア:

[(1, 20581488), (2, 10290744), (3, 6860496), (4, 5145372), (6, 3430248), (8, 2572686), (9, 2286832), (12, 1715124), (16, 1286343), (18, 1143416), (24, 857562), (36, 571708), (47, 437904), (48, 428781), (72, 285854), (94, 218952), (141, 145968), (144, 142927), (188, 109476), (282, 72984), (376, 54738), (423, 48656), (564, 36492), (752, 27369), (846, 24328), (1128, 18246), (1692, 12164), (2256, 9123), (3041, 6768), (3384, 6082)]