20452453

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 25342200

約数和(自身を除く): 4889747

約数列:

[1, 7, 29, 37, 49, 203, 259, 389, 1073, 1421, 1813, 2723, 7511, 11281, 14393, 19061, 52577, 78967, 100751, 417397, 552769, 705257, 2921779, 20452453]

約数ペア:

[(1, 20452453), (7, 2921779), (29, 705257), (37, 552769), (49, 417397), (203, 100751), (259, 78967), (389, 52577), (1073, 19061), (1421, 14393), (1813, 11281), (2723, 7511)]