20159095425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{38747}}^1$

素因数の和:39758

約数の個数: 48

約数和(自身を含む): 38130511872

約数和(自身を除く): 17971416447

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 991, 2973, 4955, 6937, 14865, 20811, 24775, 34685, 38747, 74325, 104055, 116241, 173425, 193735, 271229, 520275, 581205, 813687, 968675, 1356145, 2906025, 4068435, 6780725, 20342175, 38398277, 115194831, 191991385, 268787939, 575974155, 806363817, 959956925, 1343939695, 2879870775, 4031819085, 6719698475, 20159095425]

約数ペア:

[(1, 20159095425), (3, 6719698475), (5, 4031819085), (7, 2879870775), (15, 1343939695), (21, 959956925), (25, 806363817), (35, 575974155), (75, 268787939), (105, 191991385), (175, 115194831), (525, 38398277), (991, 20342175), (2973, 6780725), (4955, 4068435), (6937, 2906025), (14865, 1356145), (20811, 968675), (24775, 813687), (34685, 581205), (38747, 520275), (74325, 271229), (104055, 193735), (116241, 173425)]