20941254

素因数分解:

$2^1\times 3^6\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 56

約数和(自身を含む): 48161952

約数和(自身を除く): 27220698

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 243, 271, 318, 477, 486, 542, 729, 813, 954, 1431, 1458, 1626, 2439, 2862, 4293, 4878, 7317, 8586, 12879, 14363, 14634, 21951, 25758, 28726, 38637, 43089, 43902, 65853, 77274, 86178, 129267, 131706, 197559, 258534, 387801, 395118, 775602, 1163403, 2326806, 3490209, 6980418, 10470627, 20941254]

約数ペア:

[(1, 20941254), (2, 10470627), (3, 6980418), (6, 3490209), (9, 2326806), (18, 1163403), (27, 775602), (53, 395118), (54, 387801), (81, 258534), (106, 197559), (159, 131706), (162, 129267), (243, 86178), (271, 77274), (318, 65853), (477, 43902), (486, 43089), (542, 38637), (729, 28726), (813, 25758), (954, 21951), (1431, 14634), (1458, 14363), (1626, 12879), (2439, 8586), (2862, 7317), (4293, 4878)]