20177548249204

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{4831}}^1\times {\mathrm{34613}}^1$

素因数の和:39856

約数の個数: 48

約数和(自身を含む): 35797889627136

約数和(自身を除く): 15620341377932

約数列:

[1, 2, 4, 97, 194, 311, 388, 622, 1244, 4831, 9662, 19324, 30167, 34613, 60334, 69226, 120668, 138452, 468607, 937214, 1502441, 1874428, 3004882, 3357461, 6009764, 6714922, 10764643, 13429844, 21529286, 43058572, 145736777, 167215403, 291473554, 334430806, 582947108, 668861612, 1044170371, 2088340742, 4176681484, 16219894091, 32439788182, 52003990333, 64879576364, 104007980666, 208015961332, 5044387062301, 10088774124602, 20177548249204]

約数ペア:

[(1, 20177548249204), (2, 10088774124602), (4, 5044387062301), (97, 208015961332), (194, 104007980666), (311, 64879576364), (388, 52003990333), (622, 32439788182), (1244, 16219894091), (4831, 4176681484), (9662, 2088340742), (19324, 1044170371), (30167, 668861612), (34613, 582947108), (60334, 334430806), (69226, 291473554), (120668, 167215403), (138452, 145736777), (468607, 43058572), (937214, 21529286), (1502441, 13429844), (1874428, 10764643), (3004882, 6714922), (3357461, 6009764)]