20123793375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3691}}^1$

素因数の和:3814

約数の個数: 128

約数和(自身を含む): 40104689664

約数和(自身を除く): 19980896289

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 67, 75, 93, 105, 125, 155, 175, 201, 217, 335, 375, 465, 469, 525, 651, 775, 875, 1005, 1085, 1407, 1675, 2077, 2325, 2345, 2625, 3255, 3691, 3875, 5025, 5425, 6231, 7035, 8375, 10385, 11073, 11625, 11725, 14539, 16275, 18455, 25125, 25837, 27125, 31155, 35175, 43617, 51925, 55365, 58625, 72695, 77511, 81375, 92275, 114421, 129185, 155775, 175875, 218085, 247297, 259625, 276825, 343263, 363475, 387555, 461375, 572105, 645925, 741891, 778875, 800947, 1090425, 1236485, 1384125, 1716315, 1731079, 1817375, 1937775, 2402841, 2860525, 3229625, 3709455, 4004735, 5193237, 5452125, 6182425, 7666207, 8581575, 8655395, 9688875, 12014205, 14302625, 18547275, 20023675, 22998621, 25966185, 30912125, 38331035, 42907875, 43276975, 53663449, 60071025, 92736375, 100118375, 114993105, 129830925, 160990347, 191655175, 216384875, 268317245, 300355125, 574965525, 649154625, 804951735, 958275875, 1341586225, 2874827625, 4024758675, 6707931125, 20123793375]

約数ペア:

[(1, 20123793375), (3, 6707931125), (5, 4024758675), (7, 2874827625), (15, 1341586225), (21, 958275875), (25, 804951735), (31, 649154625), (35, 574965525), (67, 300355125), (75, 268317245), (93, 216384875), (105, 191655175), (125, 160990347), (155, 129830925), (175, 114993105), (201, 100118375), (217, 92736375), (335, 60071025), (375, 53663449), (465, 43276975), (469, 42907875), (525, 38331035), (651, 30912125), (775, 25966185), (875, 22998621), (1005, 20023675), (1085, 18547275), (1407, 14302625), (1675, 12014205), (2077, 9688875), (2325, 8655395), (2345, 8581575), (2625, 7666207), (3255, 6182425), (3691, 5452125), (3875, 5193237), (5025, 4004735), (5425, 3709455), (6231, 3229625), (7035, 2860525), (8375, 2402841), (10385, 1937775), (11073, 1817375), (11625, 1731079), (11725, 1716315), (14539, 1384125), (16275, 1236485), (18455, 1090425), (25125, 800947), (25837, 778875), (27125, 741891), (31155, 645925), (35175, 572105), (43617, 461375), (51925, 387555), (55365, 363475), (58625, 343263), (72695, 276825), (77511, 259625), (81375, 247297), (92275, 218085), (114421, 175875), (129185, 155775)]