20649468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{839}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 55319040

約数和(自身を除く): 34669572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 293, 586, 839, 879, 1172, 1678, 1758, 2051, 2517, 3356, 3516, 4102, 5034, 5873, 6153, 8204, 10068, 11746, 12306, 17619, 23492, 24612, 35238, 70476, 245827, 491654, 737481, 983308, 1474962, 1720789, 2949924, 3441578, 5162367, 6883156, 10324734, 20649468]

約数ペア:

[(1, 20649468), (2, 10324734), (3, 6883156), (4, 5162367), (6, 3441578), (7, 2949924), (12, 1720789), (14, 1474962), (21, 983308), (28, 737481), (42, 491654), (84, 245827), (293, 70476), (586, 35238), (839, 24612), (879, 23492), (1172, 17619), (1678, 12306), (1758, 11746), (2051, 10068), (2517, 8204), (3356, 6153), (3516, 5873), (4102, 5034)]