20486567658

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{728489}}^1$

素因数の和:728646

約数の個数: 32

約数和(自身を含む): 42310699200

約数和(自身を除く): 21824131542

約数列:

[1, 2, 3, 6, 43, 86, 109, 129, 218, 258, 327, 654, 4687, 9374, 14061, 28122, 728489, 1456978, 2185467, 4370934, 31325027, 62650054, 79405301, 93975081, 158810602, 187950162, 238215903, 476431806, 3414427943, 6828855886, 10243283829, 20486567658]

約数ペア:

[(1, 20486567658), (2, 10243283829), (3, 6828855886), (6, 3414427943), (43, 476431806), (86, 238215903), (109, 187950162), (129, 158810602), (218, 93975081), (258, 79405301), (327, 62650054), (654, 31325027), (4687, 4370934), (9374, 2185467), (14061, 1456978), (28122, 728489)]