20159320125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1556

約数の個数: 128

約数和(自身を含む): 39406768128

約数和(自身を除く): 19247448003

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 67, 75, 83, 105, 125, 175, 201, 249, 335, 375, 415, 469, 525, 581, 875, 1005, 1245, 1381, 1407, 1675, 1743, 2075, 2345, 2625, 2905, 4143, 5025, 5561, 6225, 6905, 7035, 8375, 8715, 9667, 10375, 11725, 14525, 16683, 20715, 25125, 27805, 29001, 31125, 34525, 35175, 38927, 43575, 48335, 58625, 72625, 83415, 92527, 103575, 114623, 116781, 139025, 145005, 172625, 175875, 194635, 217875, 241675, 277581, 343869, 417075, 462635, 517875, 573115, 583905, 647689, 695125, 725025, 802361, 973175, 1208375, 1387905, 1719345, 1943067, 2085375, 2313175, 2407083, 2865575, 2919525, 3238445, 3625125, 4011805, 4865875, 6939525, 7679741, 8596725, 9715335, 11565875, 12035415, 14327875, 14597625, 16192225, 20059025, 23039223, 34697625, 38398705, 42983625, 48576675, 53758187, 60177075, 80961125, 100295125, 115196115, 161274561, 191993525, 242883375, 268790935, 300885375, 575980575, 806372805, 959967625, 1343954675, 2879902875, 4031864025, 6719773375, 20159320125]

約数ペア:

[(1, 20159320125), (3, 6719773375), (5, 4031864025), (7, 2879902875), (15, 1343954675), (21, 959967625), (25, 806372805), (35, 575980575), (67, 300885375), (75, 268790935), (83, 242883375), (105, 191993525), (125, 161274561), (175, 115196115), (201, 100295125), (249, 80961125), (335, 60177075), (375, 53758187), (415, 48576675), (469, 42983625), (525, 38398705), (581, 34697625), (875, 23039223), (1005, 20059025), (1245, 16192225), (1381, 14597625), (1407, 14327875), (1675, 12035415), (1743, 11565875), (2075, 9715335), (2345, 8596725), (2625, 7679741), (2905, 6939525), (4143, 4865875), (5025, 4011805), (5561, 3625125), (6225, 3238445), (6905, 2919525), (7035, 2865575), (8375, 2407083), (8715, 2313175), (9667, 2085375), (10375, 1943067), (11725, 1719345), (14525, 1387905), (16683, 1208375), (20715, 973175), (25125, 802361), (27805, 725025), (29001, 695125), (31125, 647689), (34525, 583905), (35175, 573115), (38927, 517875), (43575, 462635), (48335, 417075), (58625, 343869), (72625, 277581), (83415, 241675), (92527, 217875), (103575, 194635), (114623, 175875), (116781, 172625), (139025, 145005)]