20992616

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{70921}}^1$

素因数の和:70964

約数の個数: 16

約数和(自身を含む): 40425540

約数和(自身を除く): 19432924

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 70921, 141842, 283684, 567368, 2624077, 5248154, 10496308, 20992616]

約数ペア:

[(1, 20992616), (2, 10496308), (4, 5248154), (8, 2624077), (37, 567368), (74, 283684), (148, 141842), (296, 70921)]