20802258

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1901

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 27997038

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1861, 1863, 3722, 3726, 5583, 5589, 11166, 11178, 16749, 33498, 42803, 50247, 85606, 100494, 128409, 150741, 256818, 301482, 385227, 452223, 770454, 904446, 1155681, 2311362, 3467043, 6934086, 10401129, 20802258]

約数ペア:

[(1, 20802258), (2, 10401129), (3, 6934086), (6, 3467043), (9, 2311362), (18, 1155681), (23, 904446), (27, 770454), (46, 452223), (54, 385227), (69, 301482), (81, 256818), (138, 150741), (162, 128409), (207, 100494), (243, 85606), (414, 50247), (486, 42803), (621, 33498), (1242, 16749), (1861, 11178), (1863, 11166), (3722, 5589), (3726, 5583)]