20792640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 168

約数和(自身を含む): 72969120

約数和(自身を除く): 52176480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 179, 192, 220, 240, 242, 264, 320, 330, 352, 358, 363, 440, 480, 484, 528, 537, 605, 660, 704, 716, 726, 880, 895, 960, 968, 1056, 1074, 1210, 1320, 1432, 1452, 1760, 1790, 1815, 1936, 1969, 2112, 2148, 2420, 2640, 2685, 2864, 2904, 3520, 3580, 3630, 3872, 3938, 4296, 4840, 5280, 5370, 5728, 5808, 5907, 7160, 7260, 7744, 7876, 8592, 9680, 9845, 10560, 10740, 11456, 11616, 11814, 14320, 14520, 15752, 17184, 19360, 19690, 21480, 21659, 23232, 23628, 28640, 29040, 29535, 31504, 34368, 38720, 39380, 42960, 43318, 47256, 57280, 58080, 59070, 63008, 64977, 78760, 85920, 86636, 94512, 108295, 116160, 118140, 126016, 129954, 157520, 171840, 173272, 189024, 216590, 236280, 259908, 315040, 324885, 346544, 378048, 433180, 472560, 519816, 630080, 649770, 693088, 866360, 945120, 1039632, 1299540, 1386176, 1732720, 1890240, 2079264, 2599080, 3465440, 4158528, 5198160, 6930880, 10396320, 20792640]

約数ペア:

[(1, 20792640), (2, 10396320), (3, 6930880), (4, 5198160), (5, 4158528), (6, 3465440), (8, 2599080), (10, 2079264), (11, 1890240), (12, 1732720), (15, 1386176), (16, 1299540), (20, 1039632), (22, 945120), (24, 866360), (30, 693088), (32, 649770), (33, 630080), (40, 519816), (44, 472560), (48, 433180), (55, 378048), (60, 346544), (64, 324885), (66, 315040), (80, 259908), (88, 236280), (96, 216590), (110, 189024), (120, 173272), (121, 171840), (132, 157520), (160, 129954), (165, 126016), (176, 118140), (179, 116160), (192, 108295), (220, 94512), (240, 86636), (242, 85920), (264, 78760), (320, 64977), (330, 63008), (352, 59070), (358, 58080), (363, 57280), (440, 47256), (480, 43318), (484, 42960), (528, 39380), (537, 38720), (605, 34368), (660, 31504), (704, 29535), (716, 29040), (726, 28640), (880, 23628), (895, 23232), (960, 21659), (968, 21480), (1056, 19690), (1074, 19360), (1210, 17184), (1320, 15752), (1432, 14520), (1452, 14320), (1760, 11814), (1790, 11616), (1815, 11456), (1936, 10740), (1969, 10560), (2112, 9845), (2148, 9680), (2420, 8592), (2640, 7876), (2685, 7744), (2864, 7260), (2904, 7160), (3520, 5907), (3580, 5808), (3630, 5728), (3872, 5370), (3938, 5280), (4296, 4840)]