20793003

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 14957397

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 167, 231, 343, 363, 501, 539, 847, 1029, 1169, 1617, 1837, 2541, 3507, 3773, 5511, 5929, 8183, 11319, 12859, 17787, 20207, 24549, 38577, 41503, 57281, 60621, 90013, 124509, 141449, 171843, 270039, 424347, 630091, 990143, 1890273, 2970429, 6931001, 20793003]

約数ペア:

[(1, 20793003), (3, 6931001), (7, 2970429), (11, 1890273), (21, 990143), (33, 630091), (49, 424347), (77, 270039), (121, 171843), (147, 141449), (167, 124509), (231, 90013), (343, 60621), (363, 57281), (501, 41503), (539, 38577), (847, 24549), (1029, 20207), (1169, 17787), (1617, 12859), (1837, 11319), (2541, 8183), (3507, 5929), (3773, 5511)]