20715200

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 126

約数和(自身を含む): 56551068

約数和(自身を除く): 35835868

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 107, 110, 121, 160, 176, 200, 214, 220, 242, 275, 320, 352, 400, 428, 440, 484, 535, 550, 605, 704, 800, 856, 880, 968, 1070, 1100, 1177, 1210, 1600, 1712, 1760, 1936, 2140, 2200, 2354, 2420, 2675, 3025, 3424, 3520, 3872, 4280, 4400, 4708, 4840, 5350, 5885, 6050, 6848, 7744, 8560, 8800, 9416, 9680, 10700, 11770, 12100, 12947, 17120, 17600, 18832, 19360, 21400, 23540, 24200, 25894, 29425, 34240, 37664, 38720, 42800, 47080, 48400, 51788, 58850, 64735, 75328, 85600, 94160, 96800, 103576, 117700, 129470, 171200, 188320, 193600, 207152, 235400, 258940, 323675, 376640, 414304, 470800, 517880, 647350, 828608, 941600, 1035760, 1294700, 1883200, 2071520, 2589400, 4143040, 5178800, 10357600, 20715200]

約数ペア:

[(1, 20715200), (2, 10357600), (4, 5178800), (5, 4143040), (8, 2589400), (10, 2071520), (11, 1883200), (16, 1294700), (20, 1035760), (22, 941600), (25, 828608), (32, 647350), (40, 517880), (44, 470800), (50, 414304), (55, 376640), (64, 323675), (80, 258940), (88, 235400), (100, 207152), (107, 193600), (110, 188320), (121, 171200), (160, 129470), (176, 117700), (200, 103576), (214, 96800), (220, 94160), (242, 85600), (275, 75328), (320, 64735), (352, 58850), (400, 51788), (428, 48400), (440, 47080), (484, 42800), (535, 38720), (550, 37664), (605, 34240), (704, 29425), (800, 25894), (856, 24200), (880, 23540), (968, 21400), (1070, 19360), (1100, 18832), (1177, 17600), (1210, 17120), (1600, 12947), (1712, 12100), (1760, 11770), (1936, 10700), (2140, 9680), (2200, 9416), (2354, 8800), (2420, 8560), (2675, 7744), (3025, 6848), (3424, 6050), (3520, 5885), (3872, 5350), (4280, 4840), (4400, 4708)]