20127128

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3359}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 23418472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3359, 5992, 6718, 13436, 23513, 26872, 47026, 94052, 188104, 359413, 718826, 1437652, 2515891, 2875304, 5031782, 10063564, 20127128]

約数ペア:

[(1, 20127128), (2, 10063564), (4, 5031782), (7, 2875304), (8, 2515891), (14, 1437652), (28, 718826), (56, 359413), (107, 188104), (214, 94052), (428, 47026), (749, 26872), (856, 23513), (1498, 13436), (2996, 6718), (3359, 5992)]