20507816

素因数分解:

$2^3\times 7^1\times {\mathrm{366211}}^1$

素因数の和:366224

約数の個数: 16

約数和(自身を含む): 43945440

約数和(自身を除く): 23437624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366211, 732422, 1464844, 2563477, 2929688, 5126954, 10253908, 20507816]

約数ペア:

[(1, 20507816), (2, 10253908), (4, 5126954), (7, 2929688), (8, 2563477), (14, 1464844), (28, 732422), (56, 366211)]