20737936

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3169}}^1$

素因数の和:3586

約数の個数: 20

約数和(自身を含む): 40290700

約数和(自身を除く): 19552764

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3169, 3272, 6338, 6544, 12676, 25352, 50704, 1296121, 2592242, 5184484, 10368968, 20737936]

約数ペア:

[(1, 20737936), (2, 10368968), (4, 5184484), (8, 2592242), (16, 1296121), (409, 50704), (818, 25352), (1636, 12676), (3169, 6544), (3272, 6338)]