20566320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 64757760

約数和(自身を除く): 44191440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1279, 1340, 1608, 2010, 2558, 2680, 3216, 3837, 4020, 5116, 5360, 6395, 7674, 8040, 10232, 12790, 15348, 16080, 19185, 20464, 25580, 30696, 38370, 51160, 61392, 76740, 85693, 102320, 153480, 171386, 257079, 306960, 342772, 428465, 514158, 685544, 856930, 1028316, 1285395, 1371088, 1713860, 2056632, 2570790, 3427720, 4113264, 5141580, 6855440, 10283160, 20566320]

約数ペア:

[(1, 20566320), (2, 10283160), (3, 6855440), (4, 5141580), (5, 4113264), (6, 3427720), (8, 2570790), (10, 2056632), (12, 1713860), (15, 1371088), (16, 1285395), (20, 1028316), (24, 856930), (30, 685544), (40, 514158), (48, 428465), (60, 342772), (67, 306960), (80, 257079), (120, 171386), (134, 153480), (201, 102320), (240, 85693), (268, 76740), (335, 61392), (402, 51160), (536, 38370), (670, 30696), (804, 25580), (1005, 20464), (1072, 19185), (1279, 16080), (1340, 15348), (1608, 12790), (2010, 10232), (2558, 8040), (2680, 7674), (3216, 6395), (3837, 5360), (4020, 5116)]