20127559972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{17341}}^1$

素因数の和:17489

約数の個数: 72

約数和(自身を含む): 40786927272

約数和(自身を除く): 20659367300

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 101, 169, 202, 221, 338, 404, 442, 676, 884, 1313, 1717, 2626, 2873, 3434, 5252, 5746, 6868, 11492, 17069, 17341, 22321, 34138, 34682, 44642, 68276, 69364, 89284, 225433, 290173, 294797, 450866, 580346, 589594, 901732, 1160692, 1179188, 1751441, 2930629, 3502882, 3832361, 5861258, 7005764, 7664722, 11722516, 15329444, 22768733, 29774497, 45537466, 49820693, 59548994, 91074932, 99641386, 119097988, 199282772, 295993529, 387068461, 591987058, 774136922, 1183974116, 1548273844, 5031889993, 10063779986, 20127559972]

約数ペア:

[(1, 20127559972), (2, 10063779986), (4, 5031889993), (13, 1548273844), (17, 1183974116), (26, 774136922), (34, 591987058), (52, 387068461), (68, 295993529), (101, 199282772), (169, 119097988), (202, 99641386), (221, 91074932), (338, 59548994), (404, 49820693), (442, 45537466), (676, 29774497), (884, 22768733), (1313, 15329444), (1717, 11722516), (2626, 7664722), (2873, 7005764), (3434, 5861258), (5252, 3832361), (5746, 3502882), (6868, 2930629), (11492, 1751441), (17069, 1179188), (17341, 1160692), (22321, 901732), (34138, 589594), (34682, 580346), (44642, 450866), (68276, 294797), (69364, 290173), (89284, 225433)]