20758776

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 54072480

約数和(自身を除く): 33313704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 97, 111, 148, 194, 222, 241, 291, 296, 388, 444, 482, 582, 723, 776, 888, 964, 1164, 1446, 1928, 2328, 2892, 3589, 5784, 7178, 8917, 10767, 14356, 17834, 21534, 23377, 26751, 28712, 35668, 43068, 46754, 53502, 70131, 71336, 86136, 93508, 107004, 140262, 187016, 214008, 280524, 561048, 864949, 1729898, 2594847, 3459796, 5189694, 6919592, 10379388, 20758776]

約数ペア:

[(1, 20758776), (2, 10379388), (3, 6919592), (4, 5189694), (6, 3459796), (8, 2594847), (12, 1729898), (24, 864949), (37, 561048), (74, 280524), (97, 214008), (111, 187016), (148, 140262), (194, 107004), (222, 93508), (241, 86136), (291, 71336), (296, 70131), (388, 53502), (444, 46754), (482, 43068), (582, 35668), (723, 28712), (776, 26751), (888, 23377), (964, 21534), (1164, 17834), (1446, 14356), (1928, 10767), (2328, 8917), (2892, 7178), (3589, 5784)]