20627520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21487}}^1$

素因数の和:21507

約数の個数: 56

約数和(自身を含む): 65495424

約数和(自身を除く): 44867904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21487, 42974, 64461, 85948, 107435, 128922, 171896, 214870, 257844, 322305, 343792, 429740, 515688, 644610, 687584, 859480, 1031376, 1289220, 1375168, 1718960, 2062752, 2578440, 3437920, 4125504, 5156880, 6875840, 10313760, 20627520]

約数ペア:

[(1, 20627520), (2, 10313760), (3, 6875840), (4, 5156880), (5, 4125504), (6, 3437920), (8, 2578440), (10, 2062752), (12, 1718960), (15, 1375168), (16, 1289220), (20, 1031376), (24, 859480), (30, 687584), (32, 644610), (40, 515688), (48, 429740), (60, 343792), (64, 322305), (80, 257844), (96, 214870), (120, 171896), (160, 128922), (192, 107435), (240, 85948), (320, 64461), (480, 42974), (960, 21487)]