20736378

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 50265600

約数和(自身を除く): 29529222

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 109, 117, 218, 234, 271, 327, 351, 542, 654, 702, 813, 981, 1417, 1626, 1962, 2439, 2834, 2943, 3523, 4251, 4878, 5886, 7046, 7317, 8502, 10569, 12753, 14634, 21138, 25506, 29539, 31707, 38259, 59078, 63414, 76518, 88617, 95121, 177234, 190242, 265851, 384007, 531702, 768014, 797553, 1152021, 1595106, 2304042, 3456063, 6912126, 10368189, 20736378]

約数ペア:

[(1, 20736378), (2, 10368189), (3, 6912126), (6, 3456063), (9, 2304042), (13, 1595106), (18, 1152021), (26, 797553), (27, 768014), (39, 531702), (54, 384007), (78, 265851), (109, 190242), (117, 177234), (218, 95121), (234, 88617), (271, 76518), (327, 63414), (351, 59078), (542, 38259), (654, 31707), (702, 29539), (813, 25506), (981, 21138), (1417, 14634), (1626, 12753), (1962, 10569), (2439, 8502), (2834, 7317), (2943, 7046), (3523, 5886), (4251, 4878)]