20201545760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{22031}}^1$

素因数の和:22578

約数の個数: 96

約数和(自身を含む): 52167193344

約数和(自身を除く): 31965647584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 521, 880, 1042, 1760, 2084, 2605, 4168, 5210, 5731, 8336, 10420, 11462, 16672, 20840, 22031, 22924, 28655, 41680, 44062, 45848, 57310, 83360, 88124, 91696, 110155, 114620, 176248, 183392, 220310, 229240, 242341, 352496, 440620, 458480, 484682, 704992, 881240, 916960, 969364, 1211705, 1762480, 1938728, 2423410, 3524960, 3877456, 4846820, 7754912, 9693640, 11478151, 19387280, 22956302, 38774560, 45912604, 57390755, 91825208, 114781510, 126259661, 183650416, 229563020, 252519322, 367300832, 459126040, 505038644, 631298305, 918252080, 1010077288, 1262596610, 1836504160, 2020154576, 2525193220, 4040309152, 5050386440, 10100772880, 20201545760]

約数ペア:

[(1, 20201545760), (2, 10100772880), (4, 5050386440), (5, 4040309152), (8, 2525193220), (10, 2020154576), (11, 1836504160), (16, 1262596610), (20, 1010077288), (22, 918252080), (32, 631298305), (40, 505038644), (44, 459126040), (55, 367300832), (80, 252519322), (88, 229563020), (110, 183650416), (160, 126259661), (176, 114781510), (220, 91825208), (352, 57390755), (440, 45912604), (521, 38774560), (880, 22956302), (1042, 19387280), (1760, 11478151), (2084, 9693640), (2605, 7754912), (4168, 4846820), (5210, 3877456), (5731, 3524960), (8336, 2423410), (10420, 1938728), (11462, 1762480), (16672, 1211705), (20840, 969364), (22031, 916960), (22924, 881240), (28655, 704992), (41680, 484682), (44062, 458480), (45848, 440620), (57310, 352496), (83360, 242341), (88124, 229240), (91696, 220310), (110155, 183392), (114620, 176248)]