20121282489

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2087}}^1\times {\mathrm{41737}}^1$

素因数の和:43845

約数の個数: 32

約数和(自身を含む): 33465194496

約数和(自身を除く): 13343912007

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 2087, 6261, 14609, 22957, 41737, 43827, 68871, 125211, 160699, 292159, 459107, 482097, 876477, 1377321, 3213749, 9641247, 87105119, 261315357, 609735833, 958156309, 1829207499, 2874468927, 6707094163, 20121282489]

約数ペア:

[(1, 20121282489), (3, 6707094163), (7, 2874468927), (11, 1829207499), (21, 958156309), (33, 609735833), (77, 261315357), (231, 87105119), (2087, 9641247), (6261, 3213749), (14609, 1377321), (22957, 876477), (41737, 482097), (43827, 459107), (68871, 292159), (125211, 160699)]