20244400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 54800064

約数和(自身を除く): 34555664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 43, 44, 50, 55, 80, 86, 88, 100, 107, 110, 172, 176, 200, 214, 215, 220, 275, 344, 400, 428, 430, 440, 473, 535, 550, 688, 856, 860, 880, 946, 1070, 1075, 1100, 1177, 1712, 1720, 1892, 2140, 2150, 2200, 2354, 2365, 2675, 3440, 3784, 4280, 4300, 4400, 4601, 4708, 4730, 5350, 5885, 7568, 8560, 8600, 9202, 9416, 9460, 10700, 11770, 11825, 17200, 18404, 18832, 18920, 21400, 23005, 23540, 23650, 29425, 36808, 37840, 42800, 46010, 47080, 47300, 50611, 58850, 73616, 92020, 94160, 94600, 101222, 115025, 117700, 184040, 189200, 202444, 230050, 235400, 253055, 368080, 404888, 460100, 470800, 506110, 809776, 920200, 1012220, 1265275, 1840400, 2024440, 2530550, 4048880, 5061100, 10122200, 20244400]

約数ペア:

[(1, 20244400), (2, 10122200), (4, 5061100), (5, 4048880), (8, 2530550), (10, 2024440), (11, 1840400), (16, 1265275), (20, 1012220), (22, 920200), (25, 809776), (40, 506110), (43, 470800), (44, 460100), (50, 404888), (55, 368080), (80, 253055), (86, 235400), (88, 230050), (100, 202444), (107, 189200), (110, 184040), (172, 117700), (176, 115025), (200, 101222), (214, 94600), (215, 94160), (220, 92020), (275, 73616), (344, 58850), (400, 50611), (428, 47300), (430, 47080), (440, 46010), (473, 42800), (535, 37840), (550, 36808), (688, 29425), (856, 23650), (860, 23540), (880, 23005), (946, 21400), (1070, 18920), (1075, 18832), (1100, 18404), (1177, 17200), (1712, 11825), (1720, 11770), (1892, 10700), (2140, 9460), (2150, 9416), (2200, 9202), (2354, 8600), (2365, 8560), (2675, 7568), (3440, 5885), (3784, 5350), (4280, 4730), (4300, 4708), (4400, 4601)]