20119275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{739}}^1$

素因数の和:777

約数の個数: 54

約数和(自身を含む): 39663260

約数和(自身を除く): 19543985

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 739, 825, 1089, 1815, 2217, 2475, 3025, 3695, 5445, 6651, 8129, 9075, 11085, 18475, 24387, 27225, 33255, 40645, 55425, 73161, 89419, 121935, 166275, 203225, 268257, 365805, 447095, 609675, 804771, 1341285, 1829025, 2235475, 4023855, 6706425, 20119275]

約数ペア:

[(1, 20119275), (3, 6706425), (5, 4023855), (9, 2235475), (11, 1829025), (15, 1341285), (25, 804771), (33, 609675), (45, 447095), (55, 365805), (75, 268257), (99, 203225), (121, 166275), (165, 121935), (225, 89419), (275, 73161), (363, 55425), (495, 40645), (605, 33255), (739, 27225), (825, 24387), (1089, 18475), (1815, 11085), (2217, 9075), (2475, 8129), (3025, 6651), (3695, 5445)]