20647510125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{11299}}^1$

素因数の和:11771

約数の個数: 64

約数和(自身を含む): 37568793600

約数和(自身を除く): 16921283475

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 443, 825, 1329, 1375, 2215, 4125, 4873, 6645, 11075, 11299, 14619, 24365, 33225, 33897, 55375, 56495, 73095, 121825, 124289, 166125, 169485, 282475, 365475, 372867, 609125, 621445, 847425, 1412375, 1827375, 1864335, 3107225, 4237125, 5005457, 9321675, 15016371, 15536125, 25027285, 46608375, 55060027, 75081855, 125136425, 165180081, 275300135, 375409275, 625682125, 825900405, 1376500675, 1877046375, 4129502025, 6882503375, 20647510125]

約数ペア:

[(1, 20647510125), (3, 6882503375), (5, 4129502025), (11, 1877046375), (15, 1376500675), (25, 825900405), (33, 625682125), (55, 375409275), (75, 275300135), (125, 165180081), (165, 125136425), (275, 75081855), (375, 55060027), (443, 46608375), (825, 25027285), (1329, 15536125), (1375, 15016371), (2215, 9321675), (4125, 5005457), (4873, 4237125), (6645, 3107225), (11075, 1864335), (11299, 1827375), (14619, 1412375), (24365, 847425), (33225, 621445), (33897, 609125), (55375, 372867), (56495, 365475), (73095, 282475), (121825, 169485), (124289, 166125)]