20386530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7307}}^1$

素因数の和:7351

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 34335774

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7307, 14614, 21921, 36535, 43842, 65763, 73070, 109605, 131526, 219210, 226517, 328815, 453034, 657630, 679551, 1132585, 1359102, 2038653, 2265170, 3397755, 4077306, 6795510, 10193265, 20386530]

約数ペア:

[(1, 20386530), (2, 10193265), (3, 6795510), (5, 4077306), (6, 3397755), (9, 2265170), (10, 2038653), (15, 1359102), (18, 1132585), (30, 679551), (31, 657630), (45, 453034), (62, 328815), (90, 226517), (93, 219210), (155, 131526), (186, 109605), (279, 73070), (310, 65763), (465, 43842), (558, 36535), (930, 21921), (1395, 14614), (2790, 7307)]