20761604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6353}}^1$

素因数の和:6419

約数の個数: 24

約数和(自身を含む): 39140640

約数和(自身を除く): 18379036

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6353, 12706, 25412, 120707, 241414, 273179, 482828, 546358, 1092716, 5190401, 10380802, 20761604]

約数ペア:

[(1, 20761604), (2, 10380802), (4, 5190401), (19, 1092716), (38, 546358), (43, 482828), (76, 273179), (86, 241414), (172, 120707), (817, 25412), (1634, 12706), (3268, 6353)]