20945414

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2371}}^1$

素因数の和:3011

約数の個数: 16

約数和(自身を含む): 35978496

約数和(自身を除く): 15033082

約数列:

[1, 2, 7, 14, 631, 1262, 2371, 4417, 4742, 8834, 16597, 33194, 1496101, 2992202, 10472707, 20945414]

約数ペア:

[(1, 20945414), (2, 10472707), (7, 2992202), (14, 1496101), (631, 33194), (1262, 16597), (2371, 8834), (4417, 4742)]