20899687575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{10271}}^1$

素因数の和:12384

約数の個数: 48

約数和(自身を含む): 37233616896

約数和(自身を除く): 16333929321

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 2087, 6261, 10271, 10435, 27131, 30813, 31305, 51355, 52175, 81393, 133523, 135655, 154065, 156525, 256775, 400569, 406965, 667615, 678275, 770325, 2002845, 2034825, 3338075, 10014225, 21435577, 64306731, 107177885, 278662501, 321533655, 535889425, 835987503, 1393312505, 1607668275, 4179937515, 6966562525, 20899687575]

約数ペア:

[(1, 20899687575), (3, 6966562525), (5, 4179937515), (13, 1607668275), (15, 1393312505), (25, 835987503), (39, 535889425), (65, 321533655), (75, 278662501), (195, 107177885), (325, 64306731), (975, 21435577), (2087, 10014225), (6261, 3338075), (10271, 2034825), (10435, 2002845), (27131, 770325), (30813, 678275), (31305, 667615), (51355, 406965), (52175, 400569), (81393, 256775), (133523, 156525), (135655, 154065)]