20615520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1528

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 46608000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1481, 1740, 2320, 2784, 2962, 3480, 4443, 4640, 5924, 6960, 7405, 8886, 11848, 13920, 14810, 17772, 22215, 23696, 29620, 35544, 42949, 44430, 47392, 59240, 71088, 85898, 88860, 118480, 128847, 142176, 171796, 177720, 214745, 236960, 257694, 343592, 355440, 429490, 515388, 644235, 687184, 710880, 858980, 1030776, 1288470, 1374368, 1717960, 2061552, 2576940, 3435920, 4123104, 5153880, 6871840, 10307760, 20615520]

約数ペア:

[(1, 20615520), (2, 10307760), (3, 6871840), (4, 5153880), (5, 4123104), (6, 3435920), (8, 2576940), (10, 2061552), (12, 1717960), (15, 1374368), (16, 1288470), (20, 1030776), (24, 858980), (29, 710880), (30, 687184), (32, 644235), (40, 515388), (48, 429490), (58, 355440), (60, 343592), (80, 257694), (87, 236960), (96, 214745), (116, 177720), (120, 171796), (145, 142176), (160, 128847), (174, 118480), (232, 88860), (240, 85898), (290, 71088), (348, 59240), (435, 47392), (464, 44430), (480, 42949), (580, 35544), (696, 29620), (870, 23696), (928, 22215), (1160, 17772), (1392, 14810), (1481, 13920), (1740, 11848), (2320, 8886), (2784, 7405), (2962, 6960), (3480, 5924), (4443, 4640)]