20194373655

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{261061}}^1$

素因数の和:261269

約数の個数: 40

約数和(自身を含む): 36389954304

約数和(自身を除く): 16195580649

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1719, 2865, 5157, 8595, 15471, 25785, 77355, 261061, 783183, 1305305, 2349549, 3915915, 7048647, 11747745, 21145941, 35243235, 49862651, 105729705, 149587953, 249313255, 448763859, 747939765, 1346291577, 2243819295, 4038874731, 6731457885, 20194373655]

約数ペア:

[(1, 20194373655), (3, 6731457885), (5, 4038874731), (9, 2243819295), (15, 1346291577), (27, 747939765), (45, 448763859), (81, 249313255), (135, 149587953), (191, 105729705), (405, 49862651), (573, 35243235), (955, 21145941), (1719, 11747745), (2865, 7048647), (5157, 3915915), (8595, 2349549), (15471, 1305305), (25785, 783183), (77355, 261061)]