20340027825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1227151}}^1$

素因数の和:1227194

約数の個数: 48

約数和(自身を含む): 38346045696

約数和(自身を除く): 18006017871

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 3315, 5525, 16575, 1227151, 3681453, 6135755, 15952963, 18407265, 20861567, 30678775, 47858889, 62584701, 79764815, 92036325, 104307835, 239294445, 271200371, 312923505, 398824075, 521539175, 813601113, 1196472225, 1356001855, 1564617525, 4068005565, 6780009275, 20340027825]

約数ペア:

[(1, 20340027825), (3, 6780009275), (5, 4068005565), (13, 1564617525), (15, 1356001855), (17, 1196472225), (25, 813601113), (39, 521539175), (51, 398824075), (65, 312923505), (75, 271200371), (85, 239294445), (195, 104307835), (221, 92036325), (255, 79764815), (325, 62584701), (425, 47858889), (663, 30678775), (975, 20861567), (1105, 18407265), (1275, 15952963), (3315, 6135755), (5525, 3681453), (16575, 1227151)]