20235531375

素因数分解:

$3^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{117563}}^1$

素因数の和:117607

約数の個数: 80

約数和(自身を含む): 39944485152

約数和(自身を除く): 19708953777

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 125, 135, 153, 225, 255, 375, 405, 425, 459, 675, 765, 1125, 1275, 1377, 2025, 2125, 2295, 3375, 3825, 6375, 6885, 10125, 11475, 19125, 34425, 57375, 117563, 172125, 352689, 587815, 1058067, 1763445, 1998571, 2939075, 3174201, 5290335, 5995713, 8817225, 9522603, 9992855, 14695375, 15871005, 17987139, 26451675, 29978565, 44086125, 47613015, 49964275, 53961417, 79355025, 89935695, 132258375, 149892825, 161884251, 238065075, 249821375, 269807085, 396775125, 449678475, 749464125, 809421255, 1190325375, 1349035425, 2248392375, 4047106275, 6745177125, 20235531375]

約数ペア:

[(1, 20235531375), (3, 6745177125), (5, 4047106275), (9, 2248392375), (15, 1349035425), (17, 1190325375), (25, 809421255), (27, 749464125), (45, 449678475), (51, 396775125), (75, 269807085), (81, 249821375), (85, 238065075), (125, 161884251), (135, 149892825), (153, 132258375), (225, 89935695), (255, 79355025), (375, 53961417), (405, 49964275), (425, 47613015), (459, 44086125), (675, 29978565), (765, 26451675), (1125, 17987139), (1275, 15871005), (1377, 14695375), (2025, 9992855), (2125, 9522603), (2295, 8817225), (3375, 5995713), (3825, 5290335), (6375, 3174201), (6885, 2939075), (10125, 1998571), (11475, 1763445), (19125, 1058067), (34425, 587815), (57375, 352689), (117563, 172125)]