20995352

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8719}}^1$

素因数の和:8775

約数の個数: 32

約数和(自身を含む): 46041600

約数和(自身を除く): 25046248

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8719, 17438, 34876, 61033, 69752, 122066, 244132, 374917, 488264, 749834, 1499668, 2624419, 2999336, 5248838, 10497676, 20995352]

約数ペア:

[(1, 20995352), (2, 10497676), (4, 5248838), (7, 2999336), (8, 2624419), (14, 1499668), (28, 749834), (43, 488264), (56, 374917), (86, 244132), (172, 122066), (301, 69752), (344, 61033), (602, 34876), (1204, 17438), (2408, 8719)]