20369804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 23998324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 523, 749, 1046, 1391, 1498, 2092, 2782, 2996, 3661, 5564, 6799, 7322, 9737, 13598, 14644, 19474, 27196, 38948, 47593, 55961, 95186, 111922, 190372, 223844, 391727, 727493, 783454, 1454986, 1566908, 2909972, 5092451, 10184902, 20369804]

約数ペア:

[(1, 20369804), (2, 10184902), (4, 5092451), (7, 2909972), (13, 1566908), (14, 1454986), (26, 783454), (28, 727493), (52, 391727), (91, 223844), (107, 190372), (182, 111922), (214, 95186), (364, 55961), (428, 47593), (523, 38948), (749, 27196), (1046, 19474), (1391, 14644), (1498, 13598), (2092, 9737), (2782, 7322), (2996, 6799), (3661, 5564)]