20171249956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1\times {\mathrm{13933}}^1$

素因数の和:16492

約数の個数: 48

約数和(自身を含む): 41490324288

約数和(自身を除く): 21319074332

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 2531, 5062, 10124, 13933, 27841, 27866, 32903, 55682, 55732, 65806, 111364, 131612, 153263, 181129, 306526, 361933, 362258, 613052, 723866, 724516, 1447732, 1992419, 3984838, 7969676, 35264423, 70528846, 141057692, 387908653, 458437499, 775817306, 916874998, 1551634612, 1833749996, 5042812489, 10085624978, 20171249956]

約数ペア:

[(1, 20171249956), (2, 10085624978), (4, 5042812489), (11, 1833749996), (13, 1551634612), (22, 916874998), (26, 775817306), (44, 458437499), (52, 387908653), (143, 141057692), (286, 70528846), (572, 35264423), (2531, 7969676), (5062, 3984838), (10124, 1992419), (13933, 1447732), (27841, 724516), (27866, 723866), (32903, 613052), (55682, 362258), (55732, 361933), (65806, 306526), (111364, 181129), (131612, 153263)]