20310400

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{577}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 54829080

約数和(自身を除く): 34518680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 577, 640, 704, 800, 880, 1100, 1154, 1408, 1600, 1760, 2200, 2308, 2885, 3200, 3520, 4400, 4616, 5770, 6347, 7040, 8800, 9232, 11540, 12694, 14425, 17600, 18464, 23080, 25388, 28850, 31735, 35200, 36928, 46160, 50776, 57700, 63470, 73856, 92320, 101552, 115400, 126940, 158675, 184640, 203104, 230800, 253880, 317350, 369280, 406208, 461600, 507760, 634700, 812416, 923200, 1015520, 1269400, 1846400, 2031040, 2538800, 4062080, 5077600, 10155200, 20310400]

約数ペア:

[(1, 20310400), (2, 10155200), (4, 5077600), (5, 4062080), (8, 2538800), (10, 2031040), (11, 1846400), (16, 1269400), (20, 1015520), (22, 923200), (25, 812416), (32, 634700), (40, 507760), (44, 461600), (50, 406208), (55, 369280), (64, 317350), (80, 253880), (88, 230800), (100, 203104), (110, 184640), (128, 158675), (160, 126940), (176, 115400), (200, 101552), (220, 92320), (275, 73856), (320, 63470), (352, 57700), (400, 50776), (440, 46160), (550, 36928), (577, 35200), (640, 31735), (704, 28850), (800, 25388), (880, 23080), (1100, 18464), (1154, 17600), (1408, 14425), (1600, 12694), (1760, 11540), (2200, 9232), (2308, 8800), (2885, 7040), (3200, 6347), (3520, 5770), (4400, 4616)]