20543666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 16046734

約数列:

[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 659, 1199, 1318, 1417, 2398, 2834, 7249, 8567, 14498, 15587, 17134, 31174, 71831, 94237, 143662, 188474, 790141, 933803, 1580282, 1867606, 10271833, 20543666]

約数ペア:

[(1, 20543666), (2, 10271833), (11, 1867606), (13, 1580282), (22, 933803), (26, 790141), (109, 188474), (143, 143662), (218, 94237), (286, 71831), (659, 31174), (1199, 17134), (1318, 15587), (1417, 14498), (2398, 8567), (2834, 7249)]