20565944055

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{178037}}^1$

素因数の和:178216

約数の個数: 48

約数和(自身を含む): 37994733504

約数和(自身を除く): 17428789449

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 151, 153, 255, 453, 755, 765, 1359, 2265, 2567, 6795, 7701, 12835, 23103, 38505, 115515, 178037, 534111, 890185, 1602333, 2670555, 3026629, 8011665, 9079887, 15133145, 26883587, 27239661, 45399435, 80650761, 134417935, 136198305, 241952283, 403253805, 457020979, 1209761415, 1371062937, 2285104895, 4113188811, 6855314685, 20565944055]

約数ペア:

[(1, 20565944055), (3, 6855314685), (5, 4113188811), (9, 2285104895), (15, 1371062937), (17, 1209761415), (45, 457020979), (51, 403253805), (85, 241952283), (151, 136198305), (153, 134417935), (255, 80650761), (453, 45399435), (755, 27239661), (765, 26883587), (1359, 15133145), (2265, 9079887), (2567, 8011665), (6795, 3026629), (7701, 2670555), (12835, 1602333), (23103, 890185), (38505, 534111), (115515, 178037)]