20199135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 16572705

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 121, 155, 165, 341, 359, 363, 465, 605, 1023, 1077, 1705, 1795, 1815, 3751, 3949, 5115, 5385, 11129, 11253, 11847, 18755, 19745, 33387, 43439, 55645, 56265, 59235, 122419, 130317, 166935, 217195, 367257, 612095, 651585, 1346609, 1836285, 4039827, 6733045, 20199135]

約数ペア:

[(1, 20199135), (3, 6733045), (5, 4039827), (11, 1836285), (15, 1346609), (31, 651585), (33, 612095), (55, 367257), (93, 217195), (121, 166935), (155, 130317), (165, 122419), (341, 59235), (359, 56265), (363, 55645), (465, 43439), (605, 33387), (1023, 19745), (1077, 18755), (1705, 11847), (1795, 11253), (1815, 11129), (3751, 5385), (3949, 5115)]