20616486580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{219371}}^1$

素因数の和:219544

約数の個数: 48

約数和(自身を含む): 44815067136

約数和(自身を除く): 24198580556

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 127, 148, 185, 254, 370, 508, 635, 740, 1270, 2540, 4699, 9398, 18796, 23495, 46990, 93980, 219371, 438742, 877484, 1096855, 2193710, 4387420, 8116727, 16233454, 27860117, 32466908, 40583635, 55720234, 81167270, 111440468, 139300585, 162334540, 278601170, 557202340, 1030824329, 2061648658, 4123297316, 5154121645, 10308243290, 20616486580]

約数ペア:

[(1, 20616486580), (2, 10308243290), (4, 5154121645), (5, 4123297316), (10, 2061648658), (20, 1030824329), (37, 557202340), (74, 278601170), (127, 162334540), (148, 139300585), (185, 111440468), (254, 81167270), (370, 55720234), (508, 40583635), (635, 32466908), (740, 27860117), (1270, 16233454), (2540, 8116727), (4699, 4387420), (9398, 2193710), (18796, 1096855), (23495, 877484), (46990, 438742), (93980, 219371)]