19720932

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3049}}^1$

素因数の和:3081

約数の個数: 72

約数和(自身を含む): 58413600

約数和(自身を除く): 38692668

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3049, 3234, 6098, 6468, 9147, 12196, 18294, 21343, 33539, 36588, 42686, 64029, 67078, 85372, 100617, 128058, 134156, 149401, 201234, 234773, 256116, 298802, 402468, 448203, 469546, 597604, 704319, 896406, 939092, 1408638, 1643411, 1792812, 2817276, 3286822, 4930233, 6573644, 9860466, 19720932]

約数ペア:

[(1, 19720932), (2, 9860466), (3, 6573644), (4, 4930233), (6, 3286822), (7, 2817276), (11, 1792812), (12, 1643411), (14, 1408638), (21, 939092), (22, 896406), (28, 704319), (33, 597604), (42, 469546), (44, 448203), (49, 402468), (66, 298802), (77, 256116), (84, 234773), (98, 201234), (132, 149401), (147, 134156), (154, 128058), (196, 100617), (231, 85372), (294, 67078), (308, 64029), (462, 42686), (539, 36588), (588, 33539), (924, 21343), (1078, 18294), (1617, 12196), (2156, 9147), (3049, 6468), (3234, 6098)]