20535284

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 45580416

約数和(自身を除く): 25045132

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1093, 1342, 1708, 2186, 2684, 4372, 4697, 7651, 9394, 12023, 15302, 18788, 24046, 30604, 48092, 66673, 84161, 133346, 168322, 266692, 336644, 466711, 733403, 933422, 1466806, 1866844, 2933612, 5133821, 10267642, 20535284]

約数ペア:

[(1, 20535284), (2, 10267642), (4, 5133821), (7, 2933612), (11, 1866844), (14, 1466806), (22, 933422), (28, 733403), (44, 466711), (61, 336644), (77, 266692), (122, 168322), (154, 133346), (244, 84161), (308, 66673), (427, 48092), (671, 30604), (854, 24046), (1093, 18788), (1342, 15302), (1708, 12023), (2186, 9394), (2684, 7651), (4372, 4697)]