20977768

素因数分解:

$2^3\times 7^1\times {\mathrm{374603}}^1$

素因数の和:374616

約数の個数: 16

約数和(自身を含む): 44952480

約数和(自身を除く): 23974712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374603, 749206, 1498412, 2622221, 2996824, 5244442, 10488884, 20977768]

約数ペア:

[(1, 20977768), (2, 10488884), (4, 5244442), (7, 2996824), (8, 2622221), (14, 1498412), (28, 749206), (56, 374603)]