20260779

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 33976320

約数和(自身を除く): 13715541

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 631, 973, 1529, 1893, 2919, 4417, 4587, 6941, 10703, 13251, 20823, 32109, 48587, 87709, 145761, 263127, 613963, 964799, 1841889, 2894397, 6753593, 20260779]

約数ペア:

[(1, 20260779), (3, 6753593), (7, 2894397), (11, 1841889), (21, 964799), (33, 613963), (77, 263127), (139, 145761), (231, 87709), (417, 48587), (631, 32109), (973, 20823), (1529, 13251), (1893, 10703), (2919, 6941), (4417, 4587)]