20569836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3449}}^1$

素因数の和:3534

約数の個数: 48

約数和(自身を含む): 55641600

約数和(自身を除く): 35071764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3449, 5964, 6898, 10347, 13796, 20694, 24143, 41388, 48286, 72429, 96572, 144858, 244879, 289716, 489758, 734637, 979516, 1469274, 1714153, 2938548, 3428306, 5142459, 6856612, 10284918, 20569836]

約数ペア:

[(1, 20569836), (2, 10284918), (3, 6856612), (4, 5142459), (6, 3428306), (7, 2938548), (12, 1714153), (14, 1469274), (21, 979516), (28, 734637), (42, 489758), (71, 289716), (84, 244879), (142, 144858), (213, 96572), (284, 72429), (426, 48286), (497, 41388), (852, 24143), (994, 20694), (1491, 13796), (1988, 10347), (2982, 6898), (3449, 5964)]