20637526

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 18777290

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 97, 98, 167, 182, 194, 334, 637, 679, 1169, 1261, 1274, 1358, 2171, 2338, 2522, 4342, 4753, 8183, 8827, 9506, 15197, 16199, 16366, 17654, 30394, 32398, 61789, 106379, 113393, 123578, 210587, 212758, 226786, 421174, 793751, 1474109, 1587502, 2948218, 10318763, 20637526]

約数ペア:

[(1, 20637526), (2, 10318763), (7, 2948218), (13, 1587502), (14, 1474109), (26, 793751), (49, 421174), (91, 226786), (97, 212758), (98, 210587), (167, 123578), (182, 113393), (194, 106379), (334, 61789), (637, 32398), (679, 30394), (1169, 17654), (1261, 16366), (1274, 16199), (1358, 15197), (2171, 9506), (2338, 8827), (2522, 8183), (4342, 4753)]