20512652175

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1154017}}^1$

素因数の和:1154112

約数の個数: 36

約数和(自身を含む): 37205540320

約数和(自身を除く): 16692888145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 3555, 5925, 17775, 1154017, 3462051, 5770085, 10386153, 17310255, 28850425, 51930765, 86551275, 91167343, 259653825, 273502029, 455836715, 820506087, 1367510145, 2279183575, 4102530435, 6837550725, 20512652175]

約数ペア:

[(1, 20512652175), (3, 6837550725), (5, 4102530435), (9, 2279183575), (15, 1367510145), (25, 820506087), (45, 455836715), (75, 273502029), (79, 259653825), (225, 91167343), (237, 86551275), (395, 51930765), (711, 28850425), (1185, 17310255), (1975, 10386153), (3555, 5770085), (5925, 3462051), (17775, 1154017)]