20805786

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 46576296

約数和(自身を除く): 25770510

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 113, 159, 193, 226, 318, 339, 386, 477, 579, 678, 954, 1017, 1158, 1737, 2034, 3474, 5989, 10229, 11978, 17967, 20458, 21809, 30687, 35934, 43618, 53901, 61374, 65427, 92061, 107802, 130854, 184122, 196281, 392562, 1155877, 2311754, 3467631, 6935262, 10402893, 20805786]

約数ペア:

[(1, 20805786), (2, 10402893), (3, 6935262), (6, 3467631), (9, 2311754), (18, 1155877), (53, 392562), (106, 196281), (113, 184122), (159, 130854), (193, 107802), (226, 92061), (318, 65427), (339, 61374), (386, 53901), (477, 43618), (579, 35934), (678, 30687), (954, 21809), (1017, 20458), (1158, 17967), (1737, 11978), (2034, 10229), (3474, 5989)]