20397630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 53975808

約数和(自身を除く): 33578178

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 113, 165, 226, 330, 339, 547, 565, 678, 1094, 1130, 1243, 1641, 1695, 2486, 2735, 3282, 3390, 3729, 5470, 6017, 6215, 7458, 8205, 12034, 12430, 16410, 18051, 18645, 30085, 36102, 37290, 60170, 61811, 90255, 123622, 180510, 185433, 309055, 370866, 618110, 679921, 927165, 1359842, 1854330, 2039763, 3399605, 4079526, 6799210, 10198815, 20397630]

約数ペア:

[(1, 20397630), (2, 10198815), (3, 6799210), (5, 4079526), (6, 3399605), (10, 2039763), (11, 1854330), (15, 1359842), (22, 927165), (30, 679921), (33, 618110), (55, 370866), (66, 309055), (110, 185433), (113, 180510), (165, 123622), (226, 90255), (330, 61811), (339, 60170), (547, 37290), (565, 36102), (678, 30085), (1094, 18645), (1130, 18051), (1243, 16410), (1641, 12430), (1695, 12034), (2486, 8205), (2735, 7458), (3282, 6215), (3390, 6017), (3729, 5470)]