20630720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5861}}^1$

素因数の和:5889

約数の個数: 56

約数和(自身を含む): 53602128

約数和(自身を除く): 32971408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5861, 11722, 23444, 29305, 46888, 58610, 64471, 93776, 117220, 128942, 187552, 234440, 257884, 322355, 375104, 468880, 515768, 644710, 937760, 1031536, 1289420, 1875520, 2063072, 2578840, 4126144, 5157680, 10315360, 20630720]

約数ペア:

[(1, 20630720), (2, 10315360), (4, 5157680), (5, 4126144), (8, 2578840), (10, 2063072), (11, 1875520), (16, 1289420), (20, 1031536), (22, 937760), (32, 644710), (40, 515768), (44, 468880), (55, 375104), (64, 322355), (80, 257884), (88, 234440), (110, 187552), (160, 128942), (176, 117220), (220, 93776), (320, 64471), (352, 58610), (440, 46888), (704, 29305), (880, 23444), (1760, 11722), (3520, 5861)]